mirror of
https://github.com/microsoft/TypeScript.git
synced 2026-02-15 11:35:42 -06:00
Do not get awaited type of AsyncGenerator TNext (#59644)
This commit is contained in:
Ron Buckton
GitHub
parent
856e472104
commit
09a8522294
@ -38376,7 +38376,6 @@ export function createTypeChecker(host: TypeCheckerHost): TypeChecker {
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const globalGeneratorType = resolver.getGlobalGeneratorType(/*reportErrors*/ false);
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yieldType = resolver.resolveIterationType(yieldType, /*errorNode*/ undefined) || unknownType;
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returnType = resolver.resolveIterationType(returnType, /*errorNode*/ undefined) || unknownType;
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nextType = resolver.resolveIterationType(nextType, /*errorNode*/ undefined) || unknownType;
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if (globalGeneratorType === emptyGenericType) {
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// Fall back to the global IterableIterator type.
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const globalIterableIteratorType = resolver.getGlobalIterableIteratorType(/*reportErrors*/ false);
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@ -40287,9 +40286,8 @@ export function createTypeChecker(host: TypeCheckerHost): TypeChecker {
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const iterationTypes = returnType && getIterationTypesOfGeneratorFunctionReturnType(returnType, isAsync);
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const signatureYieldType = iterationTypes && iterationTypes.yieldType || anyType;
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const signatureNextType = iterationTypes && iterationTypes.nextType || anyType;
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const resolvedSignatureNextType = isAsync ? getAwaitedType(signatureNextType) || anyType : signatureNextType;
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const yieldExpressionType = node.expression ? checkExpression(node.expression) : undefinedWideningType;
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const yieldedType = getYieldedTypeOfYieldExpression(node, yieldExpressionType, resolvedSignatureNextType, isAsync);
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const yieldedType = getYieldedTypeOfYieldExpression(node, yieldExpressionType, signatureNextType, isAsync);
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if (returnType && yieldedType) {
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checkTypeAssignableToAndOptionallyElaborate(yieldedType, signatureYieldType, node.expression || node, node.expression);
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}
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121
tests/baselines/reference/asyncGeneratorPromiseNextType.symbols
Normal file
121
tests/baselines/reference/asyncGeneratorPromiseNextType.symbols
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@ -0,0 +1,121 @@
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//// [tests/cases/conformance/asyncGenerators/asyncGeneratorPromiseNextType.ts] ////
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=== asyncGeneratorPromiseNextType.ts ===
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// https://github.com/microsoft/TypeScript/issues/44808
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type Result = {message: string}
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>Result : Symbol(Result, Decl(asyncGeneratorPromiseNextType.ts, 0, 0))
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>message : Symbol(message, Decl(asyncGeneratorPromiseNextType.ts, 2, 15))
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async function *saverGen(): AsyncGenerator<void, void, Promise<Result> | undefined> {
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>saverGen : Symbol(saverGen, Decl(asyncGeneratorPromiseNextType.ts, 2, 31))
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>AsyncGenerator : Symbol(AsyncGenerator, Decl(lib.es2018.asyncgenerator.d.ts, --, --))
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>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2018.promise.d.ts, --, --))
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>Result : Symbol(Result, Decl(asyncGeneratorPromiseNextType.ts, 0, 0))
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let pending: Promise<Result>[] = [];
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>pending : Symbol(pending, Decl(asyncGeneratorPromiseNextType.ts, 5, 7))
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>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2018.promise.d.ts, --, --))
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>Result : Symbol(Result, Decl(asyncGeneratorPromiseNextType.ts, 0, 0))
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while (true) {
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const p: Promise<Result> | undefined = yield;
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>p : Symbol(p, Decl(asyncGeneratorPromiseNextType.ts, 7, 13))
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>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2018.promise.d.ts, --, --))
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>Result : Symbol(Result, Decl(asyncGeneratorPromiseNextType.ts, 0, 0))
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if (p != null)
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>p : Symbol(p, Decl(asyncGeneratorPromiseNextType.ts, 7, 13))
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pending.push(p);
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>pending.push : Symbol(Array.push, Decl(lib.es5.d.ts, --, --))
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>pending : Symbol(pending, Decl(asyncGeneratorPromiseNextType.ts, 5, 7))
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>push : Symbol(Array.push, Decl(lib.es5.d.ts, --, --))
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>p : Symbol(p, Decl(asyncGeneratorPromiseNextType.ts, 7, 13))
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else {
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const results = await Promise.all(pending);
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>results : Symbol(results, Decl(asyncGeneratorPromiseNextType.ts, 11, 17))
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>Promise.all : Symbol(PromiseConstructor.all, Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
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>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2018.promise.d.ts, --, --))
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>all : Symbol(PromiseConstructor.all, Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
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>pending : Symbol(pending, Decl(asyncGeneratorPromiseNextType.ts, 5, 7))
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pending = [];
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>pending : Symbol(pending, Decl(asyncGeneratorPromiseNextType.ts, 5, 7))
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console.log('Storing...');
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>console.log : Symbol(Console.log, Decl(lib.dom.d.ts, --, --))
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>console : Symbol(console, Decl(lib.dom.d.ts, --, --))
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>log : Symbol(Console.log, Decl(lib.dom.d.ts, --, --))
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await storeResults(results);
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>storeResults : Symbol(storeResults, Decl(asyncGeneratorPromiseNextType.ts, 17, 1))
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>results : Symbol(results, Decl(asyncGeneratorPromiseNextType.ts, 11, 17))
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}
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}
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}
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function storeResults(results: Result[]) {
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>storeResults : Symbol(storeResults, Decl(asyncGeneratorPromiseNextType.ts, 17, 1))
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>results : Symbol(results, Decl(asyncGeneratorPromiseNextType.ts, 19, 22))
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>Result : Symbol(Result, Decl(asyncGeneratorPromiseNextType.ts, 0, 0))
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console.log(results);
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>console.log : Symbol(Console.log, Decl(lib.dom.d.ts, --, --))
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>console : Symbol(console, Decl(lib.dom.d.ts, --, --))
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>log : Symbol(Console.log, Decl(lib.dom.d.ts, --, --))
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>results : Symbol(results, Decl(asyncGeneratorPromiseNextType.ts, 19, 22))
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return Promise.resolve();
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>Promise.resolve : Symbol(PromiseConstructor.resolve, Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
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>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2018.promise.d.ts, --, --))
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>resolve : Symbol(PromiseConstructor.resolve, Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
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}
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async function *saverGen2() {
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>saverGen2 : Symbol(saverGen2, Decl(asyncGeneratorPromiseNextType.ts, 22, 1))
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let pending: Promise<Result>[] = [];
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>pending : Symbol(pending, Decl(asyncGeneratorPromiseNextType.ts, 25, 7))
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>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2018.promise.d.ts, --, --))
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>Result : Symbol(Result, Decl(asyncGeneratorPromiseNextType.ts, 0, 0))
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while (true) {
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const p: Promise<Result> | undefined = yield;
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>p : Symbol(p, Decl(asyncGeneratorPromiseNextType.ts, 27, 13))
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>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2018.promise.d.ts, --, --))
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>Result : Symbol(Result, Decl(asyncGeneratorPromiseNextType.ts, 0, 0))
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if (p != null)
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>p : Symbol(p, Decl(asyncGeneratorPromiseNextType.ts, 27, 13))
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pending.push(p);
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>pending.push : Symbol(Array.push, Decl(lib.es5.d.ts, --, --))
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>pending : Symbol(pending, Decl(asyncGeneratorPromiseNextType.ts, 25, 7))
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>push : Symbol(Array.push, Decl(lib.es5.d.ts, --, --))
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>p : Symbol(p, Decl(asyncGeneratorPromiseNextType.ts, 27, 13))
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else {
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const results = await Promise.all(pending);
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>results : Symbol(results, Decl(asyncGeneratorPromiseNextType.ts, 31, 17))
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>Promise.all : Symbol(PromiseConstructor.all, Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
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>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2018.promise.d.ts, --, --))
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>all : Symbol(PromiseConstructor.all, Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
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>pending : Symbol(pending, Decl(asyncGeneratorPromiseNextType.ts, 25, 7))
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pending = [];
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>pending : Symbol(pending, Decl(asyncGeneratorPromiseNextType.ts, 25, 7))
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console.log('Storing...');
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>console.log : Symbol(Console.log, Decl(lib.dom.d.ts, --, --))
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>console : Symbol(console, Decl(lib.dom.d.ts, --, --))
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>log : Symbol(Console.log, Decl(lib.dom.d.ts, --, --))
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await storeResults(results);
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>storeResults : Symbol(storeResults, Decl(asyncGeneratorPromiseNextType.ts, 17, 1))
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>results : Symbol(results, Decl(asyncGeneratorPromiseNextType.ts, 31, 17))
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}
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}
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}
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215
tests/baselines/reference/asyncGeneratorPromiseNextType.types
Normal file
215
tests/baselines/reference/asyncGeneratorPromiseNextType.types
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@ -0,0 +1,215 @@
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//// [tests/cases/conformance/asyncGenerators/asyncGeneratorPromiseNextType.ts] ////
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=== asyncGeneratorPromiseNextType.ts ===
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// https://github.com/microsoft/TypeScript/issues/44808
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type Result = {message: string}
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>Result : Result
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> : ^^^^^^
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>message : string
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> : ^^^^^^
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async function *saverGen(): AsyncGenerator<void, void, Promise<Result> | undefined> {
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>saverGen : () => AsyncGenerator<void, void, Promise<Result> | undefined>
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> : ^^^^^^
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let pending: Promise<Result>[] = [];
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>pending : Promise<Result>[]
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> : ^^^^^^^^^^^^^^^^^
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>[] : never[]
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> : ^^^^^^^
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while (true) {
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>true : true
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> : ^^^^
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const p: Promise<Result> | undefined = yield;
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>p : Promise<Result> | undefined
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> : ^^^^^^^^^^^^^^^^^^^^^^^^^^^
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>yield : Promise<Result> | undefined
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> : ^^^^^^^^^^^^^^^^^^^^^^^^^^^
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if (p != null)
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>p != null : boolean
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> : ^^^^^^^
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>p : Promise<Result> | undefined
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> : ^^^^^^^^^^^^^^^^^^^^^^^^^^^
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pending.push(p);
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>pending.push(p) : number
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> : ^^^^^^
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>pending.push : (...items: Promise<Result>[]) => number
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> : ^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^
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>pending : Promise<Result>[]
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> : ^^^^^^^^^^^^^^^^^
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>push : (...items: Promise<Result>[]) => number
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> : ^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^
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>p : Promise<Result>
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> : ^^^^^^^^^^^^^^^
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else {
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const results = await Promise.all(pending);
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>results : Result[]
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> : ^^^^^^^^
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>await Promise.all(pending) : Result[]
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> : ^^^^^^^^
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>Promise.all(pending) : Promise<Result[]>
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> : ^^^^^^^^^^^^^^^^^
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>Promise.all : { <T>(values: Iterable<T | PromiseLike<T>>): Promise<Awaited<T>[]>; <T extends readonly unknown[] | []>(values: T): Promise<{ -readonly [P in keyof T]: Awaited<T[P]>; }>; }
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> : ^^^ ^^ ^^ ^^^ ^^^ ^^^^^^^^^ ^^ ^^ ^^^ ^^^
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>Promise : PromiseConstructor
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> : ^^^^^^^^^^^^^^^^^^
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>all : { <T>(values: Iterable<T | PromiseLike<T>>): Promise<Awaited<T>[]>; <T extends readonly unknown[] | []>(values: T): Promise<{ -readonly [P in keyof T]: Awaited<T[P]>; }>; }
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> : ^^^ ^^ ^^ ^^^ ^^^ ^^^^^^^^^ ^^ ^^ ^^^ ^^^
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>pending : Promise<Result>[]
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> : ^^^^^^^^^^^^^^^^^
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pending = [];
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>pending = [] : never[]
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> : ^^^^^^^
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>pending : Promise<Result>[]
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> : ^^^^^^^^^^^^^^^^^
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>[] : never[]
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> : ^^^^^^^
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console.log('Storing...');
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>console.log('Storing...') : void
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> : ^^^^
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>console.log : (...data: any[]) => void
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> : ^^^^ ^^ ^^^^^
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>console : Console
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> : ^^^^^^^
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>log : (...data: any[]) => void
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> : ^^^^ ^^ ^^^^^
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>'Storing...' : "Storing..."
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> : ^^^^^^^^^^^^
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await storeResults(results);
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>await storeResults(results) : void
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> : ^^^^
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>storeResults(results) : Promise<void>
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> : ^^^^^^^^^^^^^
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>storeResults : (results: Result[]) => Promise<void>
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> : ^ ^^ ^^^^^^^^^^^^^^^^^^
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>results : Result[]
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> : ^^^^^^^^
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}
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}
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}
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function storeResults(results: Result[]) {
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>storeResults : (results: Result[]) => Promise<void>
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> : ^ ^^ ^^^^^^^^^^^^^^^^^^
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>results : Result[]
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> : ^^^^^^^^
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console.log(results);
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>console.log(results) : void
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> : ^^^^
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>console.log : (...data: any[]) => void
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> : ^^^^ ^^ ^^^^^
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>console : Console
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> : ^^^^^^^
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>log : (...data: any[]) => void
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> : ^^^^ ^^ ^^^^^
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>results : Result[]
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> : ^^^^^^^^
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return Promise.resolve();
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>Promise.resolve() : Promise<void>
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> : ^^^^^^^^^^^^^
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>Promise.resolve : { (): Promise<void>; <T>(value: T): Promise<Awaited<T>>; <T>(value: T | PromiseLike<T>): Promise<Awaited<T>>; }
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> : ^^^^^^ ^^^ ^^ ^^ ^^^ ^^^ ^^ ^^ ^^^ ^^^
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>Promise : PromiseConstructor
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> : ^^^^^^^^^^^^^^^^^^
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>resolve : { (): Promise<void>; <T>(value: T): Promise<Awaited<T>>; <T>(value: T | PromiseLike<T>): Promise<Awaited<T>>; }
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> : ^^^^^^ ^^^ ^^ ^^ ^^^ ^^^ ^^ ^^ ^^^ ^^^
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}
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async function *saverGen2() {
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>saverGen2 : () => AsyncGenerator<undefined, void, Promise<Result> | undefined>
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> : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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let pending: Promise<Result>[] = [];
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>pending : Promise<Result>[]
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> : ^^^^^^^^^^^^^^^^^
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>[] : never[]
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> : ^^^^^^^
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while (true) {
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>true : true
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> : ^^^^
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const p: Promise<Result> | undefined = yield;
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>p : Promise<Result> | undefined
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> : ^^^^^^^^^^^^^^^^^^^^^^^^^^^
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>yield : any
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if (p != null)
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>p != null : boolean
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> : ^^^^^^^
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>p : Promise<Result> | undefined
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> : ^^^^^^^^^^^^^^^^^^^^^^^^^^^
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pending.push(p);
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>pending.push(p) : number
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> : ^^^^^^
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>pending.push : (...items: Promise<Result>[]) => number
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> : ^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^
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>pending : Promise<Result>[]
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> : ^^^^^^^^^^^^^^^^^
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>push : (...items: Promise<Result>[]) => number
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> : ^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^
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>p : Promise<Result>
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> : ^^^^^^^^^^^^^^^
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else {
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const results = await Promise.all(pending);
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>results : Result[]
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> : ^^^^^^^^
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>await Promise.all(pending) : Result[]
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> : ^^^^^^^^
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>Promise.all(pending) : Promise<Result[]>
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> : ^^^^^^^^^^^^^^^^^
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>Promise.all : { <T>(values: Iterable<T | PromiseLike<T>>): Promise<Awaited<T>[]>; <T extends readonly unknown[] | []>(values: T): Promise<{ -readonly [P in keyof T]: Awaited<T[P]>; }>; }
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> : ^^^ ^^ ^^ ^^^ ^^^ ^^^^^^^^^ ^^ ^^ ^^^ ^^^
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>Promise : PromiseConstructor
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> : ^^^^^^^^^^^^^^^^^^
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>all : { <T>(values: Iterable<T | PromiseLike<T>>): Promise<Awaited<T>[]>; <T extends readonly unknown[] | []>(values: T): Promise<{ -readonly [P in keyof T]: Awaited<T[P]>; }>; }
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> : ^^^ ^^ ^^ ^^^ ^^^ ^^^^^^^^^ ^^ ^^ ^^^ ^^^
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>pending : Promise<Result>[]
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> : ^^^^^^^^^^^^^^^^^
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pending = [];
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>pending = [] : never[]
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> : ^^^^^^^
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>pending : Promise<Result>[]
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> : ^^^^^^^^^^^^^^^^^
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>[] : never[]
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> : ^^^^^^^
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console.log('Storing...');
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>console.log('Storing...') : void
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> : ^^^^
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>console.log : (...data: any[]) => void
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> : ^^^^ ^^ ^^^^^
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>console : Console
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> : ^^^^^^^
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>log : (...data: any[]) => void
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> : ^^^^ ^^ ^^^^^
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>'Storing...' : "Storing..."
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> : ^^^^^^^^^^^^
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await storeResults(results);
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>await storeResults(results) : void
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> : ^^^^
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>storeResults(results) : Promise<void>
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> : ^^^^^^^^^^^^^
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>storeResults : (results: Result[]) => Promise<void>
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> : ^ ^^ ^^^^^^^^^^^^^^^^^^
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>results : Result[]
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> : ^^^^^^^^
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}
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}
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}
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@ -0,0 +1,42 @@
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// @target: esnext
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// @strict: true
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// @noEmit: true
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// https://github.com/microsoft/TypeScript/issues/44808
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type Result = {message: string}
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async function *saverGen(): AsyncGenerator<void, void, Promise<Result> | undefined> {
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let pending: Promise<Result>[] = [];
|
||||
while (true) {
|
||||
const p: Promise<Result> | undefined = yield;
|
||||
if (p != null)
|
||||
pending.push(p);
|
||||
else {
|
||||
const results = await Promise.all(pending);
|
||||
pending = [];
|
||||
console.log('Storing...');
|
||||
await storeResults(results);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
function storeResults(results: Result[]) {
|
||||
console.log(results);
|
||||
return Promise.resolve();
|
||||
}
|
||||
|
||||
async function *saverGen2() {
|
||||
let pending: Promise<Result>[] = [];
|
||||
while (true) {
|
||||
const p: Promise<Result> | undefined = yield;
|
||||
if (p != null)
|
||||
pending.push(p);
|
||||
else {
|
||||
const results = await Promise.all(pending);
|
||||
pending = [];
|
||||
console.log('Storing...');
|
||||
await storeResults(results);
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user