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make Default Copy and Clone

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This commit is contained in:
Niko Matsakis 2017-07-15 14:52:32 -04:00 committed by Sean Griffin
parent d516b263c6
commit 7112d6584c
1 changed files with 3 additions and 3 deletions
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6
src/librustc/infer/type_variable.rs
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@ -89,7 +89,7 @@ enum TypeVariableValue<'tcx> {
// We will use this to store the required information to recapitulate what happened when
// an error occurs.
#[derive(Clone, Debug, PartialEq, Eq, Hash)]
#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)]
pub struct Default<'tcx> {
pub ty: Ty<'tcx>,
/// The span where the default was incurred
@ -123,7 +123,7 @@ impl<'tcx> TypeVariableTable<'tcx> {
pub fn default(&self, vid: ty::TyVid) -> Option<Default<'tcx>> {
match &self.values.get(vid.index as usize).value {
&Known { .. } => None,
&Bounded { ref default, .. } => default.clone()
&Bounded { default, .. } => default,
}
}
@ -185,7 +185,7 @@ impl<'tcx> TypeVariableTable<'tcx> {
self.eq_relations.new_key(());
self.sub_relations.new_key(());
let index = self.values.push(TypeVariableData {
value: Bounded { default: default },
value: Bounded { default },
origin,
diverging,
});