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| author | Aya Morisawa <AyaMorisawa4869@gmail.com> | 2018-12-02 20:28:22 +0900 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-12-02 20:28:22 +0900 |
| commit | 928d359dd29be509c1cb2ebeca7c4dea4e550089 (patch) | |
| tree | 32e8aa9432a49e544fa4de073ee05345f1cc643b /src/prelude | |
| parent | Remove self-assignment (#3476) (diff) | |
| download | sharkey-928d359dd29be509c1cb2ebeca7c4dea4e550089.tar.gz sharkey-928d359dd29be509c1cb2ebeca7c4dea4e550089.tar.bz2 sharkey-928d359dd29be509c1cb2ebeca7c4dea4e550089.zip | |
Use takeWhile instead of some (#3475)
Diffstat (limited to 'src/prelude')
| -rw-r--r-- | src/prelude/array.ts | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/prelude/array.ts b/src/prelude/array.ts index 09457d2d0a..5f694b1d31 100644 --- a/src/prelude/array.ts +++ b/src/prelude/array.ts @@ -57,3 +57,15 @@ export function lessThan(xs: number[], ys: number[]): boolean { } return xs.length < ys.length; } + +export function takeWhile<T>(f: (x: T) => boolean, xs: T[]): T[] { + const ys = []; + for (const x of xs) { + if (f(x)) { + ys.push(x); + } else { + break; + } + } + return ys; +} |