diff options
| -rw-r--r-- | src/arg_util.rs | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/src/arg_util.rs b/src/arg_util.rs index 2f04ccd..8cd8fe5 100644 --- a/src/arg_util.rs +++ b/src/arg_util.rs @@ -83,6 +83,15 @@ macro_rules! enum_int { )* ] } + + #[allow(unused)] + pub fn all_str() -> [&'static str; count!($($var),*)] { + [ + $( + $str, + )* + ] + } } impl ::std::convert::AsRef<str> for $name { @@ -112,11 +121,7 @@ macro_rules! enum_int { _ => Err( format!( "expected one of {}", - $name::all_variants() - .iter() - .map(::std::convert::AsRef::as_ref) - .collect::<::std::vec::Vec<_>>() - .join(", "), + $name::all_str().join(", "), ) ) } |