Created
January 13, 2017 02:11
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| def defines_function?(module, name, arity) do | |
| defines_function?(module, name, arity) | |
| end | |
| def defines_function?(module, {name, arity}) do | |
| try do | |
| module.__info__(:functions) | |
| |> Enum.member?({name, arity}) | |
| rescue | |
| UndefinedFunctionError -> | |
| # this rescues the call to module.__info__(:functions) | |
| false | |
| end | |
| end |
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