uucore: {USimpleError, UUsageError}::new take Into<String> instead of String

src/uu/chown/src/chown.rs

@@ -109,7 +109,7 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
             if derefer == 1 {
                 return Err(USimpleError::new(
                     1,
-                    "-R --dereference requires -H or -L".to_string(),
+                    "-R --dereference requires -H or -L",
                 ));
             }
             derefer = 0;

src/uu/dirname/src/dirname.rs

@@ -79,7 +79,7 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
             print!("{}", separator);
         }
     } else {
-        return Err(UUsageError::new(1, "missing operand".to_string()));
+        return Err(UUsageError::new(1, "missing operand"));
     }
 
     Ok(())

src/uu/id/src/id.rs

@@ -173,20 +173,20 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
     if (state.nflag || state.rflag) && default_format && !state.cflag {
         return Err(USimpleError::new(
             1,
-            "cannot print only names or real IDs in default format".to_string(),
+            "cannot print only names or real IDs in default format",
         ));
     }
     if state.zflag && default_format && !state.cflag {
         // NOTE: GNU test suite "id/zero.sh" needs this stderr output:
         return Err(USimpleError::new(
             1,
-            "option --zero not permitted in default format".to_string(),
+            "option --zero not permitted in default format",
         ));
     }
     if state.user_specified && state.cflag {
         return Err(USimpleError::new(
             1,
-            "cannot print security context when user specified".to_string(),
+            "cannot print security context when user specified",
         ));
     }
 
@@ -220,7 +220,7 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
         } else {
             return Err(USimpleError::new(
                 1,
-                "--context (-Z) works only on an SELinux-enabled kernel".to_string(),
+                "--context (-Z) works only on an SELinux-enabled kernel",
             ));
         }
     }

src/uu/sort/src/sort.rs

@@ -1238,7 +1238,7 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
         if separator.len() != 1 {
             return Err(UUsageError::new(
                 2,
-                "separator must be exactly one character long".into(),
+                "separator must be exactly one character long",
             ));
         }
         settings.separator = Some(separator.chars().next().unwrap())
@@ -1517,7 +1517,7 @@ fn exec(
         file_merger.write_all(settings, output)
     } else if settings.check {
         if files.len() > 1 {
-            Err(UUsageError::new(2, "only one file allowed with -c".into()))
+            Err(UUsageError::new(2, "only one file allowed with -c"))
         } else {
             check::check(files.first().unwrap(), settings)
         }

src/uucore/src/lib/mods/error.rs

@@ -268,7 +268,7 @@ where
 /// let err = USimpleError { code: 1, message: "error!".into()};
 /// let res: UResult<()> = Err(err.into());
 /// // or using the `new` method:
-/// let res: UResult<()> = Err(USimpleError::new(1, "error!".into()));
+/// let res: UResult<()> = Err(USimpleError::new(1, "error!"));
 /// ```
 #[derive(Debug)]
 pub struct USimpleError {
@@ -278,8 +278,8 @@ pub struct USimpleError {
 
 impl USimpleError {
     #[allow(clippy::new_ret_no_self)]
-    pub fn new(code: i32, message: String) -> Box<dyn UError> {
-        Box::new(Self { code, message })
+    pub fn new<S: Into<String>>(code: i32, message: S) -> Box<dyn UError> {
+        Box::new(Self { code, message: message.into() })
     }
 }
 
@@ -305,8 +305,8 @@ pub struct UUsageError {
 
 impl UUsageError {
     #[allow(clippy::new_ret_no_self)]
-    pub fn new(code: i32, message: String) -> Box<dyn UError> {
-        Box::new(Self { code, message })
+    pub fn new<S: Into<String>>(code: i32, message: S) -> Box<dyn UError> {
+        Box::new(Self { code, message: message.into() })
     }
 }
 
@@ -359,9 +359,9 @@ pub struct UIoError {
 
 impl UIoError {
     #[allow(clippy::new_ret_no_self)]
-    pub fn new(kind: std::io::ErrorKind, context: String) -> Box<dyn UError> {
+    pub fn new<S: Into<String>>(kind: std::io::ErrorKind, context: S) -> Box<dyn UError> {
         Box::new(Self {
-            context,
+            context: context.into(),
             inner: std::io::Error::new(kind, ""),
         })
     }