Rest parameter with fixed size tuple should be same as regular parameters

ahejlsberg · ahejlsberg · commit 5288c37010e7 · 2018-07-25T12:42:37.000-07:00
diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
@@ -20132,10 +20132,7 @@ namespace ts {
                     if (pos - paramCount < getLengthOfTupleType(restType)) {
                         return restType.typeArguments![pos - paramCount];
                     }
-                    const tupleRestType = getRestTypeOfTupleType(restType);
-                    if (tupleRestType) {
-                        return tupleRestType;
-                    }
+                    return getRestTypeOfTupleType(restType);
                 }
                 return getIndexTypeOfType(restType, IndexKind.Number);
             }

Original file line number	Diff line number	Diff line change
`@@ -20132,10 +20132,7 @@ namespace ts {`
`20132`	`20132`	`if (pos - paramCount < getLengthOfTupleType(restType)) {`
`20133`	`20133`	`return restType.typeArguments![pos - paramCount];`
`20134`	`20134`	`}`
`20135`		`- const tupleRestType = getRestTypeOfTupleType(restType);`
`20136`		`- if (tupleRestType) {`
`20137`		`- return tupleRestType;`
`20138`		`- }`
	`20135`	`+ return getRestTypeOfTupleType(restType);`
`20139`	`20136`	`}`
`20140`	`20137`	`return getIndexTypeOfType(restType, IndexKind.Number);`
`20141`	`20138`	`}`