feat: add display block support and refactor tests

Deprecate old macros in favor of new deprecated module, replace the
external file-based test with inline unit tests, and introduce the
`??? >>>` / `??? <<<` display block syntax for conditional content
inclusion per arm or globally.

1 files changed, 1 insertions, 3 deletions

diff --git a/src/template.rs b/src/template.rs
index 27e14df..e368917 100644
--- a/src/template.rs
+++ b/src/template.rs
@@ -15,9 +15,7 @@ impl Template {
 
     /// Add an implementation block and return a HashMap to set its parameters
     pub fn add_impl(&mut self, impl_name: String) -> &mut Vec<HashMap<String, String>> {
-        self.impl_params
-            .entry(impl_name)
-            .or_insert_with(|| Vec::<HashMap<String, String>>::new())
+        self.impl_params.entry(impl_name).or_default()
     }
 }