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// 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)
});
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