2 files changed, 11 insertions(+), 12 deletions(-)

M src/dt.rs
M src/main.rs

@@ 28,7 28,7 @@ where
     let m2 = next_digit(chars)?;
     let month = m1 * 10 + m2;
 
-    if month < 1 || month > 12 {
+    if !(1..=12).contains(&month) {
         return Err(Rfc3339Error::MonthOutOfRange(month));
     }
 


@@ 38,7 38,7 @@ where
     let d2 = next_digit(chars)?;
     let day = d1 * 10 + d2;
 
-    if day < 1 || day > 31 {
+    if !(1..=31).contains(&day) {
         return Err(Rfc3339Error::DayOutOfRange(day));
     }
 


@@ 78,9 78,8 @@ where
     while let Some(c) = chars.next() {
         match c {
             '.' => {
-                let mut chars_tmp = chars.clone();
                 let mut p = 0;
-                while let Some(c) = chars_tmp.next() {
+                for c in chars.clone() {
                     match c {
                         '0'..='9' => {
                             if p < 9 {


@@ 109,7 108,7 @@ where
 
                 offset_minutes = sign * (hour * 60 + minute);
 
-                if offset_minutes > 24 * 60 || offset_minutes < -24 * 60 {
+                if !(-24 * 60..=24 * 60).contains(&offset_minutes) {
                     return Err(Rfc3339Error::OffsetOutOfRange(offset_minutes));
                 }
             }


@@ 195,12 194,12 @@ impl Display for Rfc3339Error {
             ExpectedColon => write!(f, "expected colon"),
             ExpectedTimeSep => write!(f, "expected time separator"),
             ExpectedTab => write!(f, "expected tab"),
-            MonthOutOfRange(m) => write!(f, "month out of range: {}", m),
-            DayOutOfRange(d) => write!(f, "day out of range: {}", d),
-            HourOutOfRange(h) => write!(f, "hour out of range: {}", h),
-            MinuteOutOfRange(m) => write!(f, "minute out of range: {}", m),
-            SecondOutOfRange(s) => write!(f, "second out of range: {}", s),
-            OffsetOutOfRange(o) => write!(f, "offset out of range: {}", o),
+            MonthOutOfRange(m) => write!(f, "month out of range: {m}"),
+            DayOutOfRange(d) => write!(f, "day out of range: {d}"),
+            HourOutOfRange(h) => write!(f, "hour out of range: {h}"),
+            MinuteOutOfRange(m) => write!(f, "minute out of range: {m}"),
+            SecondOutOfRange(s) => write!(f, "second out of range: {s}"),
+            OffsetOutOfRange(o) => write!(f, "offset out of range: {o}"),
         }
     }
 }

@@ 9,5 9,5 @@ const TEST: &str = "
 
 fn main() {
     let twt = parse_twts(TEST.as_bytes()).unwrap();
-    println!("{:?}", twt);
+    println!("{twt:?}");
 }