36 lines
1.2 KiB
Rust
36 lines
1.2 KiB
Rust
|
|
// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
|
||
|
|
// file at the top-level directory of this distribution and at
|
||
|
|
// http://rust-lang.org/COPYRIGHT.
|
||
|
|
//
|
||
|
|
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
|
||
|
|
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
|
||
|
|
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
|
||
|
|
// option. This file may not be copied, modified, or distributed
|
||
|
|
// except according to those terms.
|
||
|
|
|
||
|
|
use hir::BindingAnnotation::*;
|
||
|
|
use hir::BindingAnnotation;
|
||
|
|
use hir::Mutability;
|
||
|
|
|
||
|
|
#[derive(Clone, PartialEq, Eq, RustcEncodable, RustcDecodable, Hash, Debug, Copy)]
|
||
|
|
pub enum BindingMode {
|
||
|
|
BindByReference(Mutability),
|
||
|
|
BindByValue(Mutability),
|
||
|
|
}
|
||
|
|
|
||
|
|
impl BindingMode {
|
||
|
|
pub fn convert(ba: BindingAnnotation) -> BindingMode {
|
||
|
|
match ba {
|
||
|
|
Unannotated => BindingMode::BindByValue(Mutability::MutImmutable),
|
||
|
|
Mutable => BindingMode::BindByValue(Mutability::MutMutable),
|
||
|
|
Ref => BindingMode::BindByReference(Mutability::MutImmutable),
|
||
|
|
RefMut => BindingMode::BindByReference(Mutability::MutMutable),
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
impl_stable_hash_for!(enum self::BindingMode {
|
||
|
|
BindByReference(mutability),
|
||
|
|
BindByValue(mutability)
|
||
|
|
});
|