OpenE2K
/
rust
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

libsyntax: Remove an unnecessary `@mut io::Reader`

This commit is contained in:
Patrick Walton 2013-12-27 18:03:28 -08:00
parent 1dbeb5b2ac
commit 39f0270544
1 changed files with 10 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
src/libsyntax/ast_util.rs
View File

@ -17,7 +17,7 @@ use parse::token;
use visit::Visitor; use visit::Visitor;
use visit; use visit;
use std::cell::RefCell; use std::cell::{Cell, RefCell};
use std::hashmap::HashMap; use std::hashmap::HashMap;
use std::u32; use std::u32;
use std::local_data; use std::local_data;
@ -602,21 +602,23 @@ pub fn visit_ids_for_inlined_item<O: IdVisitingOperation>(item: &inlined_item,
} }
struct IdRangeComputingVisitor { struct IdRangeComputingVisitor {
result: @mut id_range, result: Cell<id_range>,
} }
impl IdVisitingOperation for IdRangeComputingVisitor { impl IdVisitingOperation for IdRangeComputingVisitor {
fn visit_id(&self, id: NodeId) { fn visit_id(&self, id: NodeId) {
self.result.add(id) let mut id_range = self.result.get();
id_range.add(id);
self.result.set(id_range)
} }
} }
pub fn compute_id_range_for_inlined_item(item: &inlined_item) -> id_range { pub fn compute_id_range_for_inlined_item(item: &inlined_item) -> id_range {
let result = @mut id_range::max(); let visitor = IdRangeComputingVisitor {
visit_ids_for_inlined_item(item, &IdRangeComputingVisitor { result: Cell::new(id_range::max())
result: result, };
}); visit_ids_for_inlined_item(item, &visitor);
*result visitor.result.get()
} }
pub fn is_item_impl(item: @ast::item) -> bool { pub fn is_item_impl(item: @ast::item) -> bool {