def deps do [ # NOTE: Currently not published on hex # {:typed_struct_cast, "~> 0.1.0"} {:typed_struct_cast, github: "avitex/typed-struct-cast"} ] end

defmodule MyCustomType do @behaviour TypedStruct.Cast.Type @impl true def cast(_value, _opts) do {:ok, :custom} end end defmodule MyStruct do use TypedStruct use TypedStruct.Cast # optional typedstruct do plugin TypedStruct.Cast.Plugin field :foo, integer(), cast: Integer field :bar, MyCustomType.t(), cast: {MyCustomType, [foo: true]} end end # Create a new struct given a map iex> MyStruct.cast(%{"foo" => "1"}) {:ok, %MyStruct{foo: 1, bar: nil}} # Create a new struct given a keyword iex> MyStruct.cast([foo: "1", bar: true]) {:ok, %MyStruct{foo: 1, bar: :custom}} # Cast params into an existing struct iex> MyStruct.cast(%MyStruct{bar: :hello}, {"foo" => "1"}) {:ok, %MyStruct{foo: 1, bar: :hello}} # If you don't `use TypedStruct.Cast`, you can access # the same functions like so: iex> TypedStruct.Cast.cast(MyStruct, %{"foo" => "1"}) {:ok, %MyStruct{foo: 1, bar: nil}}