impl: specialize impl of ToString on bool

2023-01-09 22:21:21 +13:00 · 2023-01-09 22:21:21 +13:00 · 203bbfa2f7
commit 203bbfa2f7
parent 3254bef9a7
1 changed files with 9 additions and 0 deletions
--- a/library/alloc/src/string.rs
+++ b/library/alloc/src/string.rs
@ -2548,6 +2548,15 @@ impl ToString for char {
    }
 }

+#[cfg(not(no_global_oom_handling))]
+#[stable(feature = "bool_to_string_specialization", since = "CURRENT_RUSTC_VERSION")]
+impl ToString for bool {
+    #[inline]
+    fn to_string(&self) -> String {
+        String::from(if *self { "true" } else { "false" })
+    }
+}
+
 #[cfg(not(no_global_oom_handling))]
 #[stable(feature = "u8_to_string_specialization", since = "1.54.0")]
 impl ToString for u8 {