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Avoid specialization for the Span Encodable and Decodable impls

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This commit is contained in:
bjorn3 2023-12-31 19:35:32 +00:00
parent 1c20462338
commit 6ed37bdc42
16 changed files with 140 additions and 94 deletions
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8
compiler/rustc_ast/src/tokenstream.rs
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@ -21,8 +21,8 @@ use crate::AttrVec;
use rustc_data_structures::stable_hasher::{HashStable, StableHasher};
use rustc_data_structures::sync::{self, Lrc};
use rustc_macros::HashStable_Generic;
use rustc_serialize::{Decodable, Decoder, Encodable, Encoder};
use rustc_span::{sym, Span, Symbol, DUMMY_SP};
use rustc_serialize::{Decodable, Encodable};
use rustc_span::{sym, Span, SpanDecoder, SpanEncoder, Symbol, DUMMY_SP};
use smallvec::{smallvec, SmallVec};
use std::borrow::Cow;
@ -158,14 +158,14 @@ impl fmt::Debug for LazyAttrTokenStream {
}
}
impl<S: Encoder> Encodable<S> for LazyAttrTokenStream {
impl<S: SpanEncoder> Encodable<S> for LazyAttrTokenStream {
fn encode(&self, s: &mut S) {
// Used by AST json printing.
Encodable::encode(&self.to_attr_token_stream(), s);
}
}
impl<D: Decoder> Decodable<D> for LazyAttrTokenStream {
impl<D: SpanDecoder> Decodable<D> for LazyAttrTokenStream {
fn decode(_d: &mut D) -> Self {
panic!("Attempted to decode LazyAttrTokenStream");
}