feat(clap_app!): adds support for arg names with hyphens similar to l…

…ongs with hyphens One can now use `("config-file")` style arg names Closes #869
clap-rs · Apr 5, 2017 · f7a8877 · f7a8877
1 parent c83a559
commit f7a8877
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/src/macros.rs b/src/macros.rs
@@ -597,6 +597,13 @@ macro_rules! app_from_crate {
 #[macro_export]
 macro_rules! clap_app {
     (@app ($builder:expr)) => { $builder };
+    (@app ($builder:expr) (@arg ($name:expr): $($tail:tt)*) $($tt:tt)*) => {
+        clap_app!{ @app
+            ($builder.arg(
+                clap_app!{ @arg ($crate::Arg::with_name($name)) (-) $($tail)* }))
+            $($tt)*
+        }
+    };
     (@app ($builder:expr) (@arg $name:ident: $($tail:tt)*) $($tt:tt)*) => {
         clap_app!{ @app
             ($builder.arg(