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Set and Map don't infer own types (regression) #21112

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Set and Map don't infer own types (regression)#21112
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ahejlsberg
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BugA bug in TypeScriptA bug in TypeScriptFixedA PR has been merged for this issueA PR has been merged for this issue
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TypeScript 2.7.1
@falsandtru

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@falsandtru
falsandtru
opened on Jan 10, 2018
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#20606 should be reverted for now.

TypeScript Version: master

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new Set([]);

Expected behavior:

Set<never>

Actual behavior:

Set<never | ReadonlyArray<never> | undefined>

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BugA bug in TypeScriptA bug in TypeScriptFixedA PR has been merged for this issueA PR has been merged for this issue

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