Penjaga Elixir
defmodule SomeModule do
defguard greater_than_five_less_than_nine_number(x) when x > 5 and x < 9
@doc """
iex> SomeModule.do_something(6)
"It's greater than 5 and less than 9!"
iex> SomeModule.do_something(3)
"Not in the range :("
"""
def do_something(num) when greater_than_five_less_than_nine_number(num) do
"It's greater than 5 and less than 9!"
end
def do_something(_num) do
"Not in the range :("
end
end
Uncommon Nightingale