Rust: remove <> from function wrapper

Author: Paolo Tranquilli

misc/codegen/generators/rusttestgen.py

@@ -25,6 +25,10 @@ def __post_init__(self):
         if self.params:
             self.params[0].first = True
 
+    @property
+    def has_generic_params(self) -> bool:
+        return bool(self.generic_params)
+
 
 @dataclasses.dataclass
 class TestCode:

misc/codegen/templates/rust_test_code.mustache

@@ -1,7 +1,7 @@
 // generated by {{generator}}
 
 {{#function}}
-fn {{name}}<{{#generic_params}}{{^first}}, {{/first}}{{name}}{{#type}}: {{.}}{{/type}}{{/generic_params}}>({{#params}}{{^first}}, {{/first}}{{name}}: {{type}}{{/params}}) -> {{return_type}} {
+fn {{name}}{{#has_generic_params}}<{{#generic_params}}{{^first}}, {{/first}}{{name}}{{#type}}: {{.}}{{/type}}{{/generic_params}}>{{/has_generic_params}}({{#params}}{{^first}}, {{/first}}{{name}}: {{type}}{{/params}}) -> {{return_type}} {
 {{/function}}
 {{code}}
 {{#function}}