Workaround getrandom#545

dhardy · dhardy · commit 15e40c689de9 · 2024-11-25T13:41:42.000Z
diff --git a/rand_core/src/os.rs b/rand_core/src/os.rs
@@ -58,10 +58,12 @@ impl core::fmt::Display for OsError {
     }
 }
 
+// NOTE: this should not require std; see getrandom#545
+#[cfg(feature = "std")]
 impl core::error::Error for OsError {
     #[inline]
     fn source(&self) -> Option<&(dyn core::error::Error + 'static)> {
-        self.0.source()
+        core::error::Error::source(&self.0)
     }
 }
 

Original file line number	Diff line number	Diff line change
`@@ -58,10 +58,12 @@ impl core::fmt::Display for OsError {`
`58`	`58`	`}`
`59`	`59`	`}`
`60`	`60`
	`61`	`+// NOTE: this should not require std; see getrandom#545`
	`62`	`+#[cfg(feature = "std")]`
`61`	`63`	`impl core::error::Error for OsError {`
`62`	`64`	`#[inline]`
`63`	`65`	`fn source(&self) -> Option<&(dyn core::error::Error + 'static)> {`
`64`		`- self.0.source()`
	`66`	`+ core::error::Error::source(&self.0)`
`65`	`67`	`}`
`66`	`68`	`}`
`67`	`69`