# `Dialyxir.Warnings.GuardFailPattern`
[🔗](https://github.com/jeremyjh/dialyxir/blob/1.4.8/lib/dialyxir/warnings/guard_fail_pattern.ex#L1)

The clause guard describes a condition of literals that fails the pattern
given in the function head.

## Example

    defmodule Example do
      def ok(n = 0) when not n < 1 do
        :ok
      end
    end

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*Consult [api-reference.md](api-reference.md) for complete listing*