Current section

Files

Jump to
zoi lib zoi types float.ex
Raw

lib/zoi/types/float.ex

defmodule Zoi.Types.Float do
@moduledoc false
use Zoi.Type.Def, fields: [coerce: false]
def new(opts \\ []) do
apply_type(opts)
end
defimpl Zoi.Type do
def parse(schema, input, opts) do
coerce = Keyword.get(opts, :coerce, schema.coerce)
cond do
is_float(input) ->
{:ok, input}
coerce and is_binary(input) ->
coerce_integer(schema, input)
true ->
error(schema)
end
end
defp coerce_integer(schema, input) do
case Float.parse(input) do
{float, ""} -> {:ok, float}
_error -> error(schema)
end
end
defp error(schema) do
{:error, schema.meta.error || "invalid type: must be a float"}
end
end
end