From 7df9ff85271403274d0a1d93156899014124f02e Mon Sep 17 00:00:00 2001
From: yuanbohan <yuanbo.han@gmail.com>
Date: Tue, 31 Oct 2023 09:34:58 +0800
Subject: [PATCH] fix: clippy

---
 src/parser/lex.rs    | 2 +-
 src/util/duration.rs | 8 +++-----
 2 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/src/parser/lex.rs b/src/parser/lex.rs
index 5181eff..a7eb712 100644
--- a/src/parser/lex.rs
+++ b/src/parser/lex.rs
@@ -17,7 +17,7 @@ use lrlex::{DefaultLexeme, LRNonStreamingLexer};
 use lrpar::Lexeme;
 use std::fmt::Debug;
 
-const ESCAPE_SYMBOLS: &str = r#"abfnrtv\01234567xuU"#;
+const ESCAPE_SYMBOLS: &str = r"abfnrtv\01234567xuU";
 const STRING_SYMBOLS: &str = r#"'"`"#;
 
 pub(crate) type LexemeType = DefaultLexeme<TokenId>;
diff --git a/src/util/duration.rs b/src/util/duration.rs
index 7315784..32d9f17 100644
--- a/src/util/duration.rs
+++ b/src/util/duration.rs
@@ -89,11 +89,9 @@ pub fn parse_duration(ds: &str) -> Result<Duration, String> {
                 .and_then(|cap| cap.as_str().parse::<u32>().ok())
                 .and_then(|v| duration.checked_mul(v))
         })
-        .fold(Ok(Duration::ZERO), |acc, x| {
-            acc.and_then(|d| {
-                d.checked_add(x.unwrap_or(Duration::ZERO))
-                    .ok_or_else(|| "duration overflowed".into())
-            })
+        .try_fold(Duration::ZERO, |acc, x| {
+            acc.checked_add(x.unwrap_or(Duration::ZERO))
+                .ok_or_else(|| "duration overflowed".into())
         });
 
     if matches!(dur, Ok(d) if d == Duration::ZERO) {