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Function: toWeakMap()

toWeakMap<Key, Value>(): RawKeyedReducer<Key, Value, WeakMap<Key, Value>>

Returns a KeyedReducer that collects key-value pairs to a WeakMap.

In the case of pairs with duplicate keys, the value of the last one wins.

Type Parameters

Key extends object

Value

Returns

RawKeyedReducer<Key, Value, WeakMap<Key, Value>>

Example

import { map, pipe, reduce, toWeakMap } from 'lfi'

console.log(
pipe(
[`sloth`, `lazy`, `sleep`],
map(word => [{ sloth: word }, word.length]),
reduce(toWeakMap()),
),
)
//=> WeakMap { <items unknown> }
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Since

v0.0.1

Defined in

collections.d.ts:173