Merge tag 'debian/1.52.1+dfsg1-1_exp2' into proxmox/buster

[rustc.git] / src / tools / clippy / clippy_lints / src / utils / ast_utils / ident_iter.rs

diff --git a/src/tools/clippy/clippy_lints/src/utils/ast_utils/ident_iter.rs b/src/tools/clippy/clippy_lints/src/utils/ast_utils/ident_iter.rs
deleted file mode 100644 (file)
index eefcbab..0000000
--- a/src/tools/clippy/clippy_lints/src/utils/ast_utils/ident_iter.rs
+++ /dev/null
@@ -1,45 +0,0 @@
-use core::iter::FusedIterator;
-use rustc_ast::visit::{walk_attribute, walk_expr, Visitor};
-use rustc_ast::{Attribute, Expr};
-use rustc_span::symbol::Ident;
-
-pub struct IdentIter(std::vec::IntoIter<Ident>);
-
-impl Iterator for IdentIter {
-    type Item = Ident;
-
-    fn next(&mut self) -> Option<Self::Item> {
-        self.0.next()
-    }
-}
-
-impl FusedIterator for IdentIter {}
-
-impl From<&Expr> for IdentIter {
-    fn from(expr: &Expr) -> Self {
-        let mut visitor = IdentCollector::default();
-
-        walk_expr(&mut visitor, expr);
-
-        IdentIter(visitor.0.into_iter())
-    }
-}
-
-impl From<&Attribute> for IdentIter {
-    fn from(attr: &Attribute) -> Self {
-        let mut visitor = IdentCollector::default();
-
-        walk_attribute(&mut visitor, attr);
-
-        IdentIter(visitor.0.into_iter())
-    }
-}
-
-#[derive(Default)]
-struct IdentCollector(Vec<Ident>);
-
-impl Visitor<'_> for IdentCollector {
-    fn visit_ident(&mut self, ident: Ident) {
-        self.0.push(ident);
-    }
-}