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This commit is contained in:
Nathan Shively-Sanders 2015-11-09 14:53:21 -08:00
parent 569cf96d06
commit eba94b4e85
1 changed files with 7 additions and 6 deletions
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13
src/compiler/checker.ts
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@ -2916,13 +2916,14 @@ namespace ts {
}
function baseTypeHasUnappliedOuterTypeParameters(type: Type): boolean {
const originalBaseType = <InterfaceType>type;
const originalTypeReference = <TypeReference>type;
if (originalBaseType.outerTypeParameters) {
// an unapplied type type parameter is one
const outerTypeParameters = (<InterfaceType>type).outerTypeParameters;
const typeArguments = (<TypeReference>type).typeArguments;
if (outerTypeParameters) {
// an unapplied type parameter is one
// whose argument symbol is still the same as the parameter symbol
for (let i = 0; i < originalBaseType.outerTypeParameters.length; i++) {
if (originalBaseType.outerTypeParameters[i].symbol === originalTypeReference.typeArguments[i].symbol) {
const numParameters = outerTypeParameters.length;
for (let i = 0; i < numParameters; i++) {
if (outerTypeParameters[i].symbol === typeArguments[i].symbol) {
return true;
}
}