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Merge pull request #4405 from harupy/use-drain

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Use `drain` to simplify `compiler/parser/src/string_parser.rs`
This commit is contained in:
Jeong YunWon 2023-01-03 12:41:23 +09:00 • committed by GitHub
commit 4a75cc029e
1 changed files with 4 additions and 6 deletions
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10
parser/src/string_parser.rs
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@ -5,7 +5,7 @@ use crate::{
parser::parse_expression_located,
token::StringKind,
};
use std::{iter, mem, str};
use std::{iter, str};
/// unicode_name2 does not expose `MAX_NAME_LENGTH`, so we replicate that constant here, fix #3798
pub const MAX_UNICODE_NAME: usize = 88;
@ -365,10 +365,9 @@ impl<'a> StringParser<'a> {
'{' => {
if !constant_piece.is_empty() {
spec_constructor.push(self.expr(ExprKind::Constant {
value: constant_piece.to_owned().into(),
value: constant_piece.drain(..).collect::<String>().into(),
kind: None,
}));
constant_piece.clear();
}
let parsed_expr = self.parse_fstring(nested + 1)?;
spec_constructor.extend(parsed_expr);
@ -385,10 +384,9 @@ impl<'a> StringParser<'a> {
}
if !constant_piece.is_empty() {
spec_constructor.push(self.expr(ExprKind::Constant {
value: constant_piece.to_owned().into(),
value: constant_piece.drain(..).collect::<String>().into(),
kind: None,
}));
constant_piece.clear();
}
Ok(spec_constructor)
}
@ -418,7 +416,7 @@ impl<'a> StringParser<'a> {
}
if !content.is_empty() {
values.push(self.expr(ExprKind::Constant {
value: mem::take(&mut content).into(),
value: content.drain(..).collect::<String>().into(),
kind: None,
}));
}