Quark.Curry (Quark v2.3.2) View Source
Currying breaks up a function into a series of unary functions that apply their arguments to some inner n-ary function. This is a convenient way to achieve a general and flexible partial application on any curried function.
Link to this section Summary
Functions
Curry a function at runtime, rather than upon definition
Define a curried function
Define a curried private function
Convert a curried function to a function on pairs
Apply one or more arguments to a curried function
Link to this section Functions
Specs
Curry a function at runtime, rather than upon definition
Examples
iex> curried_reduce_3 = curry &Enum.reduce/3
...> {_, arity} = :erlang.fun_info(curried_reduce_3, :arity)
...> arity
1
iex> curried_reduce_3 = curry &Enum.reduce/3
...> curried_reduce_3.([1,2,3]).(42).(&(&1 + &2))
48Define a curried function
Define a curried private function
Specs
Convert a curried function to a function on pairs
Examples
iex> curried_add = fn x -> (fn y -> x + y end) end
iex> add = uncurry curried_add
iex> add.(1,2)
3Specs
Apply one or more arguments to a curried function
Examples
iex> curried_add = fn x -> (fn y -> x + y end) end
...> uncurry(curried_add, [1,2])
3
iex> add_one = &(&1 + 1)
...> uncurry(add_one, 1)
2
iex> curried_add = fn x -> (fn y -> x + y end) end
...> add_one = uncurry(curried_add, 1)
...> add_one.(3)
4