Add function-call generic parameters when they're resovable

[ldk-c-bindings] / c-bindings-gen / src / main.rs

diff --git a/c-bindings-gen/src/main.rs b/c-bindings-gen/src/main.rs
index c6a74f66bcc5bbce40fc6cc05679e19aefb66d63..97f44a4c4c458e22ce017c0b8c53d8524077cea2 100644 (file)
--- a/c-bindings-gen/src/main.rs
+++ b/c-bindings-gen/src/main.rs
@@ -1647,10 +1647,20 @@ fn writeln_fn<'a, 'b, W: std::io::Write>(w: &mut W, f: &'a syn::ItemFn, types: &
        writeln_fn_docs(w, &f.attrs, "", types, Some(&gen_types), f.sig.inputs.iter(), &f.sig.output);
 
        write!(w, "#[no_mangle]\npub extern \"C\" fn {}(", f.sig.ident).unwrap();
+
+
        write_method_params(w, &f.sig, "", types, Some(&gen_types), false, true);
        write!(w, " {{\n\t").unwrap();
        write_method_var_decl_body(w, &f.sig, "", types, Some(&gen_types), false);
-       write!(w, "{}::{}(", types.module_path, f.sig.ident).unwrap();
+       write!(w, "{}::{}", types.module_path, f.sig.ident).unwrap();
+
+       let mut function_generic_args = Vec::new();
+       maybe_write_generics(&mut function_generic_args, &f.sig.generics, types, true);
+       if !function_generic_args.is_empty() {
+               write!(w, "::{}", String::from_utf8(function_generic_args).unwrap()).unwrap();
+       }
+       write!(w, "(").unwrap();
+
        write_method_call_params(w, &f.sig, "", types, Some(&gen_types), "", false);
        writeln!(w, "\n}}\n").unwrap();
 }