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Intersection types containing string cannot be used as an index #5739

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wycats opened this issue Nov 20, 2015 · 1 comment
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Intersection types containing string cannot be used as an index #5739

wycats opened this issue Nov 20, 2015 · 1 comment
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@wycats
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wycats commented Nov 20, 2015 

interface Marker {}

type Foo = string & Marker;

let x = {};
let y: Foo = "hello";

x[y] = 1;

The error is demonstrated in the TypeScript playground (http://goo.gl/STqLUU) and is still present as of the latest typescript@next.
@weswigham
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Duplicates #5599

@weswigham weswigham added the Duplicate An existing issue was already created label Nov 21, 2015
@mhegazy mhegazy closed this as completed Dec 1, 2015
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@wycats @weswigham @mhegazy