Add shared `MockProgramCollect` and conditional `Groupped` bounds

Extract duplicate `MockCollect` implementations into a reusable
`MockProgramCollect` type. Conditionally require `Serialize` on the
`Groupped` trait when the `general_renderer` feature is enabled.

1 files changed, 1 insertions, 0 deletions

diff --git a/mingling_macros/src/dispatcher.rs b/mingling_macros/src/dispatcher.rs
index 7e973eb..6bf10f1 100644
--- a/mingling_macros/src/dispatcher.rs
+++ b/mingling_macros/src/dispatcher.rs
@@ -223,6 +223,7 @@ pub fn dispatcher(input: TokenStream) -> TokenStream {
                     ::mingling::macros::node!(#command_name_str)
                 }
                 fn begin(&self, args: Vec<String>) -> ::mingling::ChainProcess<#program_path> {
+                    use ::mingling::Groupped;
                     #pack::new(args).to_chain()
                 }
                 fn clone_dispatcher(&self) -> Box<dyn ::mingling::Dispatcher<#program_path>> {