Currently, if you want to add spec to functions, you have to use @spec with a
function name to define all argument / response types:
defmodule StringHelpers do
@spec long_word?(word()) :: boolean()
def long_word?(word) when is_binary(word) do
String.length(word) > 8
end
end
I think, it would be nice to reduce "visual noise" of spec definition by
allowing to omit the data we already know.
defmodule StringHelpers do
@spec word() :: boolean()
def long_word?(word) when is_binary(word) do
String.length(word) > 8
end
end
With this syntax, we can define argument and response types and automatically
treat it as spec for following long_word?/1 function.
What do you think?
Also, in case of multiple arguments we can either wrap it in parentheses or
just use a comma for separation.
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