Use array prototype instead of creating instance

This commit is contained in:
Matt Bierner
2019-05-30 17:13:10 -07:00
parent a8a0fa763f
commit 015f1c7909

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@@ -18,5 +18,5 @@ export function equals<T>(
}
export function flatten<T>(arr: ReadonlyArray<T>[]): T[] {
return ([] as T[]).concat.apply([], arr);
return Array.prototype.concat.apply([], arr);
}