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Merge pull request #17044 from filipesilva/patch-1

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Allow visitors to return undefined
This commit is contained in:
Ron Buckton
2017-07-10 11:47:48 -07:00
committed by GitHub
parent 48876731b8 ae533551c2
commit bb3253e544
1 changed files with 1 additions and 1 deletions
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2
src/compiler/types.ts
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@@ -4339,7 +4339,7 @@ namespace ts {
*/
export type Visitor = (node: Node) => VisitResult<Node>;
export type VisitResult<T extends Node> = T | T[];
export type VisitResult<T extends Node> = T | T[] | undefined;
export interface Printer {
/**