openharmony/third_party_rust_quote
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Merge pull request #203 from dtolnay/parse

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Optimize parse+extend to make only one proc macro bridge call
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David Tolnay 2021-12-27 19:02:25 -08:00 committed by GitHub
commit 0a04bae97b
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1 changed files with 2 additions and 1 deletions
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src/runtime.rs
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@ -1,5 +1,6 @@
use crate::{IdentFragment, ToTokens, TokenStreamExt}; use crate::{IdentFragment, ToTokens, TokenStreamExt};
use std::fmt; use std::fmt;
use std::iter;
use std::ops::BitOr; use std::ops::BitOr;
pub use proc_macro2::*; pub use proc_macro2::*;
@ -178,7 +179,7 @@ pub fn push_group_spanned(
pub fn parse(tokens: &mut TokenStream, s: &str) { pub fn parse(tokens: &mut TokenStream, s: &str) {
let s: TokenStream = s.parse().expect("invalid token stream"); let s: TokenStream = s.parse().expect("invalid token stream");
tokens.extend(s); tokens.extend(iter::once(s));
} }
pub fn parse_spanned(tokens: &mut TokenStream, span: Span, s: &str) { pub fn parse_spanned(tokens: &mut TokenStream, span: Span, s: &str) {