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switch case unreachable code checking when use string literals #7745

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stepancar opened this issue Mar 31, 2016 · 1 comment
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switch case unreachable code checking when use string literals #7745

stepancar opened this issue Mar 31, 2016 · 1 comment
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@stepancar
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Hello! See example

type lang = "en" | "ru";
function getDict(lng: lang): any {
    switch (lng) {
        case 'ru':
            return ru;
        case 'stringNotInLangType':
            return en;
    }
}

compiler should throw error, cause

 case 'stringNotInLangType':
            return en;

is unreachable
@mhegazy
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mhegazy commented Mar 31, 2016

duplicate of #6149

@mhegazy mhegazy closed this as completed Mar 31, 2016
@mhegazy mhegazy added the Duplicate An existing issue was already created label Mar 31, 2016
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@stepancar @mhegazy