Function compile_pattern_with_fast_locals

Lib/test/test_peepholer.py:18–29

(pattern)

def compile_pattern_with_fast_locals(pattern):
    source = textwrap.dedent(
        f"""
        def f(x):
            match x:
                case {pattern}:
                    pass
        """
    )
    namespace = {}
    exec(source, namespace)
    return namespace["f"].__code__


def count_instr_recursively(f, opname):