Ergo.Numeric.uint
You're seeing just the function
uint, go back to Ergo.Numeric module for more information.
Link to this function
uint(opts \\ [])
The unit parser matches a series of at least one digit and returns the
integer value of the digits.
Examples
iex> alias Ergo.Context
iex> import Ergo.Numeric
iex> context = Ergo.parse(uint(), "2345")
iex> assert %Context{status: :ok, ast: 2345, index: 4, col: 5} = context