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x/evt/tools/reducers/every.ts

💧EventEmitter's typesafe replacement
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import { ReduceArguments, toReduceArguments } from "./reduceify.ts";
export function arrEvery<ArrOf>( arr: readonly ArrOf[], test: (e: ArrOf) => boolean = e => !!e): boolean {
return arr .map(e => test(e)) .reduce<boolean>((prev, curr) => curr && prev, true) ;
}
export function every<ArrOf>(test?: (e: ArrOf) => boolean): ReduceArguments<ArrOf, boolean> { return toReduceArguments(arrEvery, test);}