pub fn fold_is_expr_construct<F, T: AstInfo, T2: AstInfo>(
folder: &mut F,
node: IsExprConstruct<T>,
) -> IsExprConstruct<T2>
pub fn fold_is_expr_construct<F, T: AstInfo, T2: AstInfo>(
folder: &mut F,
node: IsExprConstruct<T>,
) -> IsExprConstruct<T2>