diff options
Diffstat (limited to 'src/libsyntax_ext')
| -rw-r--r-- | src/libsyntax_ext/format_foreign.rs | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/libsyntax_ext/format_foreign.rs b/src/libsyntax_ext/format_foreign.rs index ff9663cdd3c..8ccb3be1ad9 100644 --- a/src/libsyntax_ext/format_foreign.rs +++ b/src/libsyntax_ext/format_foreign.rs @@ -232,11 +232,11 @@ pub mod printf { impl Num { fn from_str(s: &str, arg: Option<&str>) -> Self { if let Some(arg) = arg { - Num::Arg(arg.parse().expect(&format!("invalid format arg `{:?}`", arg))) + Num::Arg(arg.parse().unwrap_or_else(|_| panic!("invalid format arg `{:?}`", arg))) } else if s == "*" { Num::Next } else { - Num::Num(s.parse().expect(&format!("invalid format num `{:?}`", s))) + Num::Num(s.parse().unwrap_or_else(|_| panic!("invalid format num `{:?}`", s))) } } |