syntax_data: {"ast_node_type":"other","tokens":[{"end":29,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:     if !fty.ret.is_ignore() {
context_before: pub(crate) fn compute_abi_info<Ty>(fty: &mut FnAbi<'_, Ty>) {
context_after:         classify_ret_ty(&mut fty.ret);