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allow extended string for index properties #6246

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zpdDG4gta8XKpMCd opened this issue Dec 25, 2015 · 1 comment
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allow extended string for index properties #6246

zpdDG4gta8XKpMCd opened this issue Dec 25, 2015 · 1 comment
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Duplicate An existing issue was already created Needs Proposal This issue needs a plan that clarifies the finer details of how it could be implemented. Suggestion An idea for TypeScript

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export interface Keyed<k extends string, a> {
    [key: k]: a; // <-- An index signature parameter type must be 'string' or 'number'.
}
@zpdDG4gta8XKpMCd zpdDG4gta8XKpMCd changed the title allow extend string for index properties allow extended string for index properties Dec 25, 2015
@DanielRosenwasser DanielRosenwasser added Suggestion An idea for TypeScript Needs Proposal This issue needs a plan that clarifies the finer details of how it could be implemented. labels Dec 25, 2015
@mhegazy mhegazy mentioned this issue Feb 24, 2016
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@mhegazy mhegazy added the Duplicate An existing issue was already created label Feb 24, 2016
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mhegazy commented Feb 24, 2016

closing in favor of #5683

@mhegazy mhegazy closed this as completed Feb 24, 2016
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Duplicate An existing issue was already created Needs Proposal This issue needs a plan that clarifies the finer details of how it could be implemented. Suggestion An idea for TypeScript
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