Reduce size of Variant trait.

src/func/args.rs

@@ -61,7 +61,7 @@ pub trait FuncArgs {
 impl<T: Variant + Clone> FuncArgs for Vec<T> {
     #[inline]
     fn parse<ARGS: Extend<Dynamic>>(self, args: &mut ARGS) {
-        args.extend(self.into_iter().map(Variant::into_dynamic));
+        args.extend(self.into_iter().map(Dynamic::from));
     }
 }
 
@@ -75,7 +75,7 @@ macro_rules! impl_args {
             #[allow(unused_variables)]
             fn parse<ARGS: Extend<Dynamic>>(self, args: &mut ARGS) {
                 let ($($p,)*) = self;
-                $(args.extend(Some($p.into_dynamic()));)*
+                $(args.extend(Some(Dynamic::from($p)));)*
             }
         }
 

src/func/register.rs

@@ -135,7 +135,7 @@ macro_rules! def_register {
                     let r = self($($arg),*);
 
                     // Map the result
-                    Ok(r.into_dynamic())
+                    Ok(Dynamic::from(r))
                 }) as Box<FnAny>)
             }
         }
@@ -163,7 +163,7 @@ macro_rules! def_register {
                     let r = self(ctx, $($arg),*);
 
                     // Map the result
-                    Ok(r.into_dynamic())
+                    Ok(Dynamic::from(r))
                 }) as Box<FnAny>)
             }
         }