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Add readonly typings for Set and Map similar to ReadonlyArray #10919

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gmoothart opened this issue Sep 14, 2016 · 0 comments
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Add readonly typings for Set and Map similar to ReadonlyArray #10919

gmoothart opened this issue Sep 14, 2016 · 0 comments
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Fixed A PR has been merged for this issue Help Wanted You can do this Suggestion An idea for TypeScript
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TypeScript 2.1

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@gmoothart
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Array has a companion ReadonlyArray type with all the mutation methods removed. There should be similar versions for the es6 collections Set and Map in es2015.collection.d.ts.

The benefit of this change is that it would allow you to express a collection which is not changed after initialization
This was referenced Sep 14, 2016
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@mhegazy mhegazy added Suggestion An idea for TypeScript Help Wanted You can do this labels Sep 14, 2016
@mhegazy mhegazy added this to the TypeScript 2.1 milestone Sep 15, 2016
@mhegazy mhegazy added the Fixed A PR has been merged for this issue label Sep 15, 2016
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