}
}
+ fn fn_sig(&self) -> Option<&'hir FnSig> {
+ match &self.node {
+ Node::Item(item) => {
+ match &item.kind {
+ ItemKind::Fn(sig, _, _) => Some(sig),
+ _ => None,
+ }
+ }
+
+ Node::TraitItem(item) => {
+ match &item.kind {
+ TraitItemKind::Method(sig, _) => Some(sig),
+ _ => None
+ }
+ }
+
+ Node::ImplItem(item) => {
+ match &item.kind {
+ ImplItemKind::Method(sig, _) => Some(sig),
+ _ => None,
+ }
+ }
+
+ _ => None,
+ }
+ }
+
fn associated_body(self) -> Option<BodyId> {
match self.node {
Node::Item(item) => {
}
}
+ pub fn fn_sig_by_hir_id(&self, hir_id: HirId) -> Option<&'hir FnSig> {
+ if let Some(entry) = self.find_entry(hir_id) {
+ entry.fn_sig()
+ } else {
+ bug!("no entry for hir_id `{}`", hir_id)
+ }
+ }
+
/// Returns the `HirId` that corresponds to the definition of
/// which this is the body of, i.e., a `fn`, `const` or `static`
/// item (possibly associated), a closure, or a `hir::AnonConst`.