Add #[must_use] to remaining core functions

2021-10-14 18:54:55 -04:00
parent e1e9319d93
commit 68b0d86294
25 changed files with 52 additions and 1 deletions
--- a/library/core/src/num/error.rs
+++ b/library/core/src/num/error.rs
@@ -114,6 +114,7 @@ pub enum IntErrorKind {

 impl ParseIntError {
    /// Outputs the detailed cause of parsing an integer failing.
+    #[must_use]
    #[stable(feature = "int_error_matching", since = "1.55.0")]
    pub fn kind(&self) -> &IntErrorKind {
        &self.kind