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| author | Aya Morisawa <AyaMorisawa4869@gmail.com> | 2018-09-06 02:28:04 +0900 |
|---|---|---|
| committer | syuilo <Syuilotan@yahoo.co.jp> | 2018-09-06 02:28:04 +0900 |
| commit | e8948452fdc18f8a85af34bc4687e304cd39c987 (patch) | |
| tree | ccb0d89d42c3c824147e01e134a7dd812a35378e /src/prelude/array.ts | |
| parent | Add README.md for prelude (#2628) (diff) | |
| download | sharkey-e8948452fdc18f8a85af34bc4687e304cd39c987.tar.gz sharkey-e8948452fdc18f8a85af34bc4687e304cd39c987.tar.bz2 sharkey-e8948452fdc18f8a85af34bc4687e304cd39c987.zip | |
Resolve #2629 (#2630)
Diffstat (limited to 'src/prelude/array.ts')
| -rw-r--r-- | src/prelude/array.ts | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/prelude/array.ts b/src/prelude/array.ts index e944030a7f..aee17640ed 100644 --- a/src/prelude/array.ts +++ b/src/prelude/array.ts @@ -5,3 +5,7 @@ export function countIf<T>(f: (x: T) => boolean, xs: T[]): number { export function count<T>(x: T, xs: T[]): number { return countIf(y => x === y, xs); } + +export function intersperse<T>(sep: T, xs: T[]): T[] { + return [].concat(...xs.map(x => [sep, x])).slice(1); +} |