src/intcmp.rs

@@ -39,7 +39,7 @@ fn err(argv0: &String, e: String, code: u8) -> ExitCode {
 	ExitCode::from(code)
 }
 
-fn usage(argv0: &str) -> ExitCode {
+fn usage(argv0: &String) -> ExitCode {
 	eprintln!("Usage: {} [-egl] integer integer...", argv0);
 	ExitCode::from(EX_USAGE)
 }

src/swab.rs

@@ -35,12 +35,12 @@ use strerror::StrError;
 #[cfg(target_os="openbsd")] extern crate openbsd;
 #[cfg(target_os="openbsd")] use openbsd::{ Promises, pledge, unveil };
 
-fn err(argv0: &str, e: Error, code: u8) -> ExitCode {
+fn err(argv0: &String, e: Error, code: u8) -> ExitCode {
 	eprintln!("{}: {}", argv0, e.strerror());
 	ExitCode::from(code)
 }
 
-fn usage(s: &str) -> ExitCode {
+fn usage(s: &String) -> ExitCode {
 	eprintln!("Usage: {} [-w word_size]", s);
 	ExitCode::from(EX_USAGE)
 }