Function rustpython_vm::compiler::parser::ast::fold::fold_pattern_match_mapping

pub fn fold_pattern_match_mapping<U, F>(
    folder: &mut F,
    node: PatternMatchMapping<U>
) -> Result<PatternMatchMapping<<F as Fold<U>>::TargetU>, <F as Fold<U>>::Error>where
    F: Fold<U> + ?Sized,