perf: allocate exact capacity for RFC 9110 strings

PR #198
BurntSushi · Jan 12, 2025 · c9c3ec5 · c9c3ec5
1 parent 737076a
commit c9c3ec5
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/fmt/rfc2822.rs b/src/fmt/rfc2822.rs
@@ -1238,7 +1238,7 @@ impl DateTimePrinter {
         &self,
         timestamp: &Timestamp,
     ) -> Result<alloc::string::String, Error> {
-        let mut buf = alloc::string::String::with_capacity(4);
+        let mut buf = alloc::string::String::with_capacity(29);
         self.print_timestamp_rfc9110(timestamp, &mut buf)?;
         Ok(buf)
     }