libsyntax: Remove an unnecessary `@mut io::Reader`
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1dbeb5b2ac
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39f0270544
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@ -17,7 +17,7 @@ use parse::token;
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use visit::Visitor;
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use visit::Visitor;
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use visit;
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use visit;
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use std::cell::RefCell;
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use std::cell::{Cell, RefCell};
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use std::hashmap::HashMap;
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use std::hashmap::HashMap;
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use std::u32;
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use std::u32;
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use std::local_data;
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use std::local_data;
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@ -602,21 +602,23 @@ pub fn visit_ids_for_inlined_item<O: IdVisitingOperation>(item: &inlined_item,
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}
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}
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struct IdRangeComputingVisitor {
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struct IdRangeComputingVisitor {
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result: @mut id_range,
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result: Cell<id_range>,
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}
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}
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impl IdVisitingOperation for IdRangeComputingVisitor {
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impl IdVisitingOperation for IdRangeComputingVisitor {
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fn visit_id(&self, id: NodeId) {
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fn visit_id(&self, id: NodeId) {
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self.result.add(id)
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let mut id_range = self.result.get();
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id_range.add(id);
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self.result.set(id_range)
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}
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}
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}
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}
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pub fn compute_id_range_for_inlined_item(item: &inlined_item) -> id_range {
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pub fn compute_id_range_for_inlined_item(item: &inlined_item) -> id_range {
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let result = @mut id_range::max();
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let visitor = IdRangeComputingVisitor {
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visit_ids_for_inlined_item(item, &IdRangeComputingVisitor {
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result: Cell::new(id_range::max())
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result: result,
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};
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});
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visit_ids_for_inlined_item(item, &visitor);
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*result
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visitor.result.get()
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}
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}
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pub fn is_item_impl(item: @ast::item) -> bool {
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pub fn is_item_impl(item: @ast::item) -> bool {
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