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Contents
defmodule Hexadecimal do
@doc """
Accept a string representing a hexadecimal value and returns the
corresponding decimal value.
It returns the integer 0 if the hexadecimal is invalid.
Otherwise returns an integer representing the decimal value.
## Examples
iex> Hexadecimal.to_decimal("invalid")
0
iex> Hexadecimal.to_decimal("af")
175
"""
@spec to_decimal(binary) :: integer
def to_decimal(hex) do
end
end
Version data entries
69 entries across 69 versions & 1 rubygems