patch | /mod.ts | rimbu@0.10.0

Rimbu is a TypeScript library focused on immutable, performant, and type-safe collections and other tools.

actor base bimap bimultimap collection-types common core deep graph hashed list multimap multiset ordered sorted stream table typical

mod.ts (default module)

ArrowGraph

ArrowGraphHashed

ArrowGraphSorted

ArrowValuedGraph

ArrowValuedGraphHashed

ArrowValuedGraphSorted

EdgeValuedGraphHashed

EdgeValuedGraphSorted

HashMultiMapHashValue

HashMultiMapSortedValue

HashMultiSet

HashSet

HashTableHashColumn

HashTableSortedColumn

SortedMultiMapHashValue

SortedMultiMapSortedValue

SortedMultiSet

SortedSet

SortedTableHashColumn

SortedTableSortedColumn

Err

function patch

Re-export

import { patch } from "https://deno.land/x/rimbu@0.10.0/mod.ts";

patch<T>(value: T): (...patches: Patch.Multi<T>) => T

Returns an updated version of given value, without modifying the value, where the contents are updated according to the given patches Patch array.

Examples

Example 1

patch({ g: { h: 5 }})({ g: { h: 6 }})          // => { g: { h: 6 }}
patch({ g: { h: 5 }})({ g: { h: v => v + 1 }}) // => { g: { h: 6 }}
patch({ g: { h: 5 }})({ g: { h: 1 }}, { g: { h: v => v + 1 }})
// => { g: { h: 2 }}
patch({ a: 1, b: 3 })({ a: (v, p) => v * p.b, (v, p) => v + p.a })
// => { a: 3, b: 4 }

Type Parameters

Parameters

value: T

the value to update

Returns

(...patches: Patch.Multi<T>) => T