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import { assert, typeGuard } from "../typeSafety/index.ts";import { ReduceArguments, toReduceArguments } from "./reduceify.ts";
function arrPartitionImpl<ArrOf, U extends ArrOf>(    arr: readonly ArrOf[],    matcher: (entry: ArrOf) => entry is U): [U[], Exclude<ArrOf, U>[]] {
    return arr.reduce<[U[], Exclude<ArrOf, U>[]]>((previousValue, currentValue) => {
        if (matcher(currentValue)) {
            previousValue[0].push(currentValue);
        } else {
            //NOTE: Should be deduced by the compiler            assert(typeGuard<Exclude<ArrOf, U>>(currentValue));
            previousValue[1].push(currentValue);
        }
        return previousValue;
    }, [[], []]);
}
export function arrPartition<ArrOf, U extends ArrOf>(arr: readonly ArrOf[], matcher: (entry: ArrOf) => entry is U): [U[], Exclude<ArrOf, U>[]];export function arrPartition<ArrOf>(arr: readonly ArrOf[], matcher: (entry: ArrOf) => boolean): [ArrOf[], ArrOf[]];export function arrPartition<ArrOf>(arr: readonly ArrOf[], matcher: (entry: ArrOf) => boolean): [ArrOf[], ArrOf[]] {    return arrPartitionImpl(arr, (entry: ArrOf): entry is ArrOf => matcher(entry));}
export function partition<ArrOf, U extends ArrOf>(    matcher: (entry: ArrOf) => entry is U): ReduceArguments<ArrOf, [U[], Exclude<ArrOf, U>[]]>;export function partition<ArrOf>(    matcher: (entry: ArrOf) => boolean): ReduceArguments<ArrOf, [ArrOf[], ArrOf[]]>;export function partition<ArrOf>(    matcher: (entry: ArrOf) => boolean): ReduceArguments<ArrOf, [ArrOf[], ArrOf[]]> | ReduceArguments<ArrOf, [any[], Exclude<ArrOf, any>[]]> {    return toReduceArguments<ArrOf, [ArrOf[], ArrOf[]], [(entry: ArrOf) => boolean]>(arrPartition, matcher);}