Function fstring

Lib/test/test_string/_support.py:56–66

(template)

def fstring(template):
    parts = []
    for item in template:
        match item:
            case str() as s:
                parts.append(s)
            case Interpolation(value, _, conversion, format_spec):
                value = convert(value, conversion)
                value = format(value, format_spec)
                parts.append(value)
    return "".join(parts)