Alltid (alltid v0.1.0)
Alltid offers a simplified approach to editing deeply nested immutable data structures in Elixir. Inspired by Immer.js in JavaScript, Alltid allows a natural declarative syntax for manipulating deeply nested immutible data structures.
Link to this section Summary
Functions
Produce an update to value
using the provided fun
, a function of arity 1.
Link to this section Functions
Produce an update to value
using the provided fun
, a function of arity 1.
Within the provided function, the <-
operator can be used to simulate assignment
of nested values within the provided argument:
iex> Alltid.produce(%{counter: 10}, fn draft ->
...> draft[:counter] <- draft[:counter] + 1
...> draft[:value] <- "some value"
...> end)
%{counter: 11, value: "some value"}
Returns a copy of value
with the changes from fun
applied.