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| author | Matthias Krüger <matthias.krueger@famsik.de> | 2021-10-10 18:22:24 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-10-10 18:22:24 +0200 |
| commit | 758a901a402e0b8e2dc11bf2ab76c8e197734103 (patch) | |
| tree | ef93d4d125b75fd67aed71694fc5f3f730834f59 | |
| parent | 0c04b1fc031325e8e836721951bada1dd9942919 (diff) | |
| parent | fec95147276171601cd6c14b490460370a590c85 (diff) | |
| download | rust-758a901a402e0b8e2dc11bf2ab76c8e197734103.tar.gz rust-758a901a402e0b8e2dc11bf2ab76c8e197734103.zip | |
Rollup merge of #89719 - jkugelman:must-use-char-escape-methods, r=joshtriplett
Add #[must_use] to char escape methods Parent issue: #89692
| -rw-r--r-- | library/core/src/char/methods.rs | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/library/core/src/char/methods.rs b/library/core/src/char/methods.rs index e5c4719b6f7..45f7540d314 100644 --- a/library/core/src/char/methods.rs +++ b/library/core/src/char/methods.rs @@ -377,6 +377,8 @@ impl char { /// ``` /// assert_eq!('❤'.escape_unicode().to_string(), "\\u{2764}"); /// ``` + #[must_use = "this returns the escaped char as an iterator, \ + without modifying the original"] #[stable(feature = "rust1", since = "1.0.0")] #[inline] pub fn escape_unicode(self) -> EscapeUnicode { @@ -453,6 +455,8 @@ impl char { /// ``` /// assert_eq!('\n'.escape_debug().to_string(), "\\n"); /// ``` + #[must_use = "this returns the escaped char as an iterator, \ + without modifying the original"] #[stable(feature = "char_escape_debug", since = "1.20.0")] #[inline] pub fn escape_debug(self) -> EscapeDebug { @@ -507,6 +511,8 @@ impl char { /// ``` /// assert_eq!('"'.escape_default().to_string(), "\\\""); /// ``` + #[must_use = "this returns the escaped char as an iterator, \ + without modifying the original"] #[stable(feature = "rust1", since = "1.0.0")] #[inline] pub fn escape_default(self) -> EscapeDefault { |