compiler/rustc_middle/src/ty/binding.rs

   1 use rustc_hir::{BindingAnnotation, ByRef, Mutability};
   2
   3 #[derive(Clone, PartialEq, TyEncodable, TyDecodable, Debug, Copy, HashStable)]
   4 pub enum BindingMode {
   5     BindByReference(Mutability),
   6     BindByValue(Mutability),
   7 }
   8
   9 TrivialTypeTraversalAndLiftImpls! { BindingMode, }
  10
  11 impl BindingMode {
  12     pub fn convert(BindingAnnotation(by_ref, mutbl): BindingAnnotation) -> BindingMode {
  13         match by_ref {
  14             ByRef::No => BindingMode::BindByValue(mutbl),
  15             ByRef::Yes => BindingMode::BindByReference(mutbl),
  16         }
  17     }
  18 }