remove redundant type assertion

HerringtonDarkholme · HerringtonDarkholme · commit efda30c6de33 · 2016-10-04T20:33:40.000+08:00
diff --git a/src/compiler/binder.ts b/src/compiler/binder.ts
@@ -2207,9 +2207,9 @@ namespace ts {
             if (currentFlow) {
                 node.flowNode = currentFlow;
             }
-            checkStrictModeFunctionName(<FunctionExpression>node);
-            const bindingName = (<FunctionExpression>node).name ? (<FunctionExpression>node).name.text : "__function";
-            return bindAnonymousDeclaration(<FunctionExpression>node, SymbolFlags.Function, bindingName);
+            checkStrictModeFunctionName(node);
+            const bindingName = node.name ? node.name.text : "__function";
+            return bindAnonymousDeclaration(node, SymbolFlags.Function, bindingName);
         }
 
         function bindPropertyOrMethodOrAccessor(node: Declaration, symbolFlags: SymbolFlags, symbolExcludes: SymbolFlags) {

Original file line number	Diff line number	Diff line change
`@@ -2207,9 +2207,9 @@ namespace ts {`
`2207`	`2207`	`if (currentFlow) {`
`2208`	`2208`	`node.flowNode = currentFlow;`
`2209`	`2209`	`}`
`2210`		`- checkStrictModeFunctionName(<FunctionExpression>node);`
`2211`		`- const bindingName = (<FunctionExpression>node).name ? (<FunctionExpression>node).name.text : "__function";`
`2212`		`- return bindAnonymousDeclaration(<FunctionExpression>node, SymbolFlags.Function, bindingName);`
	`2210`	`+ checkStrictModeFunctionName(node);`
	`2211`	`+ const bindingName = node.name ? node.name.text : "__function";`
	`2212`	`+ return bindAnonymousDeclaration(node, SymbolFlags.Function, bindingName);`
`2213`	`2213`	`}`
`2214`	`2214`
`2215`	`2215`	`function bindPropertyOrMethodOrAccessor(node: Declaration, symbolFlags: SymbolFlags, symbolExcludes: SymbolFlags) {`