bjoernager/rust
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Export HashStable for DelimSpan, Lit and Path.

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This commit is contained in:
Camille GILLOT 2019-11-10 18:10:15 +01:00
parent 3c5ddfdd57
commit 0073d3be97
5 changed files with 13 additions and 26 deletions
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12
src/libsyntax/ast.rs
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@ -33,6 +33,7 @@ use syntax_pos::symbol::{kw, sym, Symbol};
use syntax_pos::{Span, DUMMY_SP, ExpnId};
use rustc_data_structures::fx::FxHashSet;
use rustc_data_structures::stable_hasher::{HashStable, StableHasher};
use rustc_data_structures::sync::Lrc;
use rustc_data_structures::thin_vec::ThinVec;
use rustc_index::vec::Idx;
@ -112,6 +113,15 @@ impl PartialEq<Symbol> for Path {
}
}
impl<CTX> HashStable<CTX> for Path {
fn hash_stable(&self, hcx: &mut CTX, hasher: &mut StableHasher) {
self.segments.len().hash_stable(hcx, hasher);
for segment in &self.segments {
segment.ident.name.hash_stable(hcx, hasher);
}
}
}
impl Path {
// Convert a span and an identifier to the corresponding
// one-segment path.
@ -1411,7 +1421,7 @@ pub enum StrStyle {
}
/// An AST literal.
#[derive(Clone, RustcEncodable, RustcDecodable, Debug)]
#[derive(Clone, RustcEncodable, RustcDecodable, Debug, HashStable_Generic)]
pub struct Lit {
/// The original literal token as written in source code.
pub token: token::Lit,