def _clang_compiler(output, compiler_exe="clang"):
    try:
        _, out = _execute('%s --version' % compiler_exe)
        if "Apple" in out:
            compiler = "apple-clang"
        elif out in "clang version":
            compiler = "clang"
        installed_version = re.search("([0-9]\.[0-9])", out).group()
        if installed_version:
            output.success("Found %s %s" % (compiler, installed_version))
            return compiler, installed_version
    except:
        return None
dataset/ETHPy150Open conan-io/conan/conans/client/detect.py/_clang_compiler/swapped operands of `in`