microsoft/TypeScript
1
0
Fork 0
mirror of https://github.com/microsoft/TypeScript.git synced 2026-05-17 01:49:57 -05:00
Code Issues Packages Projects Releases 212 Wiki Activity

Addressing CR feedback.

Browse Source 
Adding comment to explain source type instantiation.
Adding a test case.
This commit is contained in:
Anders Hejlsberg
2014-07-22 10:54:20 -07:00
parent b24b28eaaa
commit d85df9e9fa
3 changed files with 65 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
src/compiler/checker.ts
View File

@@ -3675,6 +3675,7 @@ module ts {
function instantiateSignatureInContextOf(signature: Signature, contextualSignature: Signature, contextualMapper: TypeMapper): Signature {
var context = createInferenceContext(signature.typeParameters);
forEachMatchingParameterType(contextualSignature, signature, (source, target) => {
// Type parameters from outer context referenced by source type are fixed by instantiation of the source type
inferTypes(context, instantiateType(source, contextualMapper), target);
});
return getSignatureInstantiation(signature, getInferredTypes(context));