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Making partial signature matching more inclusive

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This commit is contained in:
Anders Hejlsberg
2015-08-07 08:03:59 -07:00
parent 105979a89f
commit 61b3a185ce
1 changed files with 3 additions and 5 deletions
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src/compiler/checker.ts
+3 -5
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@@ -5390,14 +5390,12 @@ namespace ts {
if (source === target) {
return Ternary.True;
}
if (source.minArgumentCount !== target.minArgumentCount) {
return Ternary.False;
}
if (source.parameters.length !== target.parameters.length ||
source.minArgumentCount !== target.minArgumentCount ||
source.hasRestParameter !== target.hasRestParameter) {
if (!partialMatch ||
source.parameters.length < target.parameters.length ||
target.hasRestParameter) {
source.parameters.length < target.parameters.length && !source.hasRestParameter ||
source.minArgumentCount > target.minArgumentCount) {
return Ternary.False;
}
}