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Fix callback types to match covariantly

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This commit is contained in:
Anders Hejlsberg
2017-04-08 12:54:01 -07:00
parent 8ae3e05075
commit eebd67f8d5
2 changed files with 2 additions and 2 deletions
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2
src/compiler/parser.ts
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@@ -57,7 +57,7 @@ namespace ts {
// The visitXXX functions could be written as local functions that close over the cbNode and cbNodeArray
// callback parameters, but that causes a closure allocation for each invocation with noticeable effects
// on performance.
const visitNodes: (cb: (node: Node | Node[]) => T, nodes: Node[]) => T = cbNodeArray ? visitNodeArray : visitEachNode;
const visitNodes: (cb: ((node: Node) => T) | ((node: Node[]) => T), nodes: Node[]) => T = cbNodeArray ? visitNodeArray : visitEachNode;
const cbNodes = cbNodeArray || cbNode;
switch (node.kind) {
case SyntaxKind.QualifiedName:

2
src/compiler/visitor.ts
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@@ -885,7 +885,7 @@ namespace ts {
return initial;
}
const reduceNodes: (nodes: NodeArray<Node>, f: (memo: T, node: Node | NodeArray<Node>) => T, initial: T) => T = cbNodeArray ? reduceNodeArray : reduceLeft;
const reduceNodes: (nodes: NodeArray<Node>, f: ((memo: T, node: Node) => T) | ((memo: T, node: NodeArray<Node>) => T), initial: T) => T = cbNodeArray ? reduceNodeArray : reduceLeft;
const cbNodes = cbNodeArray || cbNode;
const kind = node.kind;