| use rustc_hir::BindingAnnotation; |
| use rustc_hir::BindingAnnotation::*; |
| use rustc_hir::Mutability; |
| |
| #[derive(Clone, PartialEq, RustcEncodable, RustcDecodable, Debug, Copy, HashStable)] |
| pub enum BindingMode { |
| BindByReference(Mutability), |
| BindByValue(Mutability), |
| } |
| |
| CloneTypeFoldableAndLiftImpls! { BindingMode, } |
| |
| impl BindingMode { |
| pub fn convert(ba: BindingAnnotation) -> BindingMode { |
| match ba { |
| Unannotated => BindingMode::BindByValue(Mutability::Not), |
| Mutable => BindingMode::BindByValue(Mutability::Mut), |
| Ref => BindingMode::BindByReference(Mutability::Not), |
| RefMut => BindingMode::BindByReference(Mutability::Mut), |
| } |
| } |
| } |