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This commit is contained in:
Jason Freeman 2015-07-17 14:52:24 -07:00
parent cf6cfed160
commit 6df0f3d4aa
1 changed files with 3 additions and 3 deletions
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6
src/compiler/checker.ts
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@ -6783,11 +6783,11 @@ namespace ts {
* for a mapper. Let's go through each one of them:
*
* 1. undefined - this means we are not doing inferential typing, but we may do contextual typing,
* which could cause us to assign a parameter type
* 2. identityMapper - means we want to avoid assigning a parameter type, whether or not we are in
* which could cause us to assign a parameter a type
* 2. identityMapper - means we want to avoid assigning a parameter a type, whether or not we are in
* inferential typing (context is undefined for the identityMapper)
* 3. a mapper created by createInferenceMapper - we are doing inferential typing, we want to assign
* parameter types and fix type parameters (context is defined)
* types to parameters and fix type parameters (context is defined)
* 4. an instantiation mapper created by createTypeMapper or createTypeEraser - this should never be
* passed as the contextual mapper when checking an expression (context is undefined for these)
*