Croma.Result.wrap_if_valid

You're seeing just the function wrap_if_valid, go back to Croma.Result module for more information.

wrap_if_valid(v, mod)

wrap_if_valid(a, module()) :: t(a) when a: any()

Wraps a given value in an :ok tuple if mod.valid?/1 returns true for the value. Otherwise returns an :error tuple.