Add note about use of isTupleType()

caitp · caitp · commit 7acb410251dc · 2015-03-10T13:37:25.000-04:00
diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
@@ -4339,6 +4339,8 @@ module ts {
         }
 
         function isTupleType(type: Type) : boolean {
+            // Check if a Type exactly implements interface TupleType. Typical typechecking code should rely on
+            // isTupleLikeType() instead.
             return (type.flags & TypeFlags.Tuple) && !!(<TupleType>type).elementTypes;
         }
 

Original file line number	Diff line number	Diff line change
`@@ -4339,6 +4339,8 @@ module ts {`
`4339`	`4339`	`}`
`4340`	`4340`
`4341`	`4341`	`function isTupleType(type: Type) : boolean {`
	`4342`	`+ // Check if a Type exactly implements interface TupleType. Typical typechecking code should rely on`
	`4343`	`+ // isTupleLikeType() instead.`
`4342`	`4344`	`return (type.flags & TypeFlags.Tuple) && !!(<TupleType>type).elementTypes;`
`4343`	`4345`	`}`
`4344`	`4346`