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Clean up comment.

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Cyrus Najmabadi
2015-04-20 23:52:46 -07:00
parent b1417d408d
commit b81a2c00ba
1 changed files with 8 additions and 8 deletions
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16
src/compiler/binder.ts
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@@ -348,19 +348,19 @@ module ts {
return ContainerFlags.IsBlockScopedContainer;
case SyntaxKind.Block:
// do not treat function block a block-scope container. All block-scope locals
// do not treat blocks directly inside a function as a block-scoped-container.
// that reside in this block should go to the function locals. Otherwise this
// wouldn't be considered as redeclaration of a block scoped local:
//
// function foo() {
// var x;
// let x;
// }
// function foo() {
// var x;
// let x;
// }
//
// If we placed 'var x' into the function locals and 'let x' - into the locals of
// the block, then there would be no collision. By doing this, we ensure that both
// 'var x' and 'let x' go into the Function-container's locals, and we do get a
// collision conflict.
// the block, then there would be no collision. By not creating a new block-
// scoped-container here, we ensure that both 'var x' and 'let x' go into the
// Function - container's locals, and we do get a collision conflict.
return isFunctionLike(node.parent) ? ContainerFlags.None : ContainerFlags.IsBlockScopedContainer;
}