FunFunc v0.2.0 FunFunc.Func

Functions for generic purpose.

Link to this section Summary

Applys args to the curried function

Composition function

Constant function. It returns the first argument

Curry function

flip(f)

Flip function

id()

Identity function. It always returns the argument

Ignore function. It returns the second argument

Return function. It returns the argument on the call

apply_args(f, args)

apply_args((... -> any()), list()) :: any()

Applys args to the curried function.

iex> f = fn a -> fn b -> fn c -> a + b + c end end end
iex> FunFunc.Func.apply_args(f, [1, 2, 3])
6

compose(f, g)

compose((... -> any()), (... -> any())) :: (... -> any())

Composition function.

iex> FunFunc.Func.compose(&String.to_integer/1, &Integer.to_string/1).(1)
1

const(x)

const(any()) :: (... -> any())

Constant function. It returns the first argument.

iex> FunFunc.Func.const(1).(2)
1

curry(f)

curry((... -> any())) :: (... -> any())

Curry function.

iex> FunFunc.Func.curry(&(&1 + &2)).(1).(2)
3
iex> FunFunc.Func.curry(&(&1 + &2 + &3)).(1).(2).(3)
6

flip(f)

flip((... -> any())) :: (... -> any())

Flip function.

iex> FunFunc.Func.flip(&-/2).(1, 2)
1

id()

id() :: (... -> any())

Identity function. It always returns the argument.

iex> FunFunc.Func.id().(1)
1

ignore(x)

ignore(any()) :: (... -> any())

Ignore function. It returns the second argument.

iex> FunFunc.Func.ignore(1).(2)
2

return(x)

return(any()) :: (... -> any())

Return function. It returns the argument on the call.

iex> FunFunc.Func.return(1).()
1