oh shit this might actually be quite usable

src/macros.rs

@@ -0,0 +1,25 @@
+#[macro_export]
+macro_rules! arg {
+    ($name:ident: $long:literal, $short:literal -> $result:ty) => {
+        arg!(@$name: ($long, ::std::option::Option::Some($short)) -> $result);
+    };
+    ($name:ident: $long:literal -> $result:ty) => {
+        arg!(@$name: ($long, ::std::option::Option::None) -> $result);
+    };
+    (@$name:ident: ($long:literal, $short:expr) -> $result:ty) => {
+        #[derive(Default)]
+        struct $name;
+
+        impl ::badargs::CliArg for $name {
+            type Content = $result;
+
+            fn long() -> &'static str {
+                $long
+            }
+
+            fn short() -> Option<&'static str> {
+                $short
+            }
+        }
+    };
+}