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No error when interface declares a function and property with same name and return type #16214

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mattmccutchen opened this issue Jun 2, 2017 · 1 comment
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No error when interface declares a function and property with same name and return type #16214

mattmccutchen opened this issue Jun 2, 2017 · 1 comment
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Bug A bug in TypeScript Good First Issue Well scoped, documented and has the green light Help Wanted You can do this

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@mattmccutchen
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TypeScript Version: 2.3.4 (same in 2.4.0-dev.20170601)

Code

interface Oops {
  foo(x: string): number;
  foo: number;
}

Expected behavior:
error TS2300: Duplicate identifier 'foo'.

Actual behavior:
No error.

I bisected using the NPM nightly builds (I ran into build problems trying to bisect from source), and this broke between 1.9.0-dev.20160524-1.0 and 1.9.0-dev.20160525-1.0. I suspect #8696.
@RyanCavanaugh RyanCavanaugh added the Bug A bug in TypeScript label Jun 5, 2017
@mhegazy mhegazy added Help Wanted You can do this Good First Issue Well scoped, documented and has the green light labels Feb 8, 2018
@mhegazy mhegazy added this to the Community milestone Feb 8, 2018
@mattmccutchen
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Duplicate of #20826.

@mhegazy mhegazy removed this from the Community milestone Apr 26, 2018
@microsoft microsoft locked and limited conversation to collaborators Jul 31, 2018
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@RyanCavanaugh @mhegazy @mattmccutchen