tests/lean/448.lean.expected.out - third_party/github.com/leanprover/lean4 - Git at Google


            
            448.lean:21:2-23:20: error: failed to synthesize

            
              MonadExceptOf IO.Error M

            
            Additional diagnostic information may be available using the `set_option diagnostics true` command.
	448.lean:21:2-23:20: error: failed to synthesize
	MonadExceptOf IO.Error M
	Additional diagnostic information may be available using the `set_option diagnostics true` command.