fix(zkvms): Fix non-braced usages of grouped methods

Before grouping transformed vec![a,b,...] into "(a,b,...)", but with
FunctionDefinition, grouping transforms vec![a,b,...] into "a,b,...".
This change wasn't reflected in Nexus and ZKM

1 files changed, 2 insertions, 2 deletions

diff --git a/zkvms/nexus/wrapper_macro/src/lib.rs b/zkvms/nexus/wrapper_macro/src/lib.rs
index 218359b..69d1de2 100644
--- a/zkvms/nexus/wrapper_macro/src/lib.rs
+++ b/zkvms/nexus/wrapper_macro/src/lib.rs
@@ -35,8 +35,8 @@ pub fn make_wrapper(item: TokenStream) -> TokenStream {
     let fd = FunctionDefinition::new(&item);
 
     let mut out = TokenStream::new();
-    out.extend(format!("let {} = read_public_input::<{}>().unwrap();", fd.grouped_public_patterns(), fd.grouped_public_types()).parse::<TokenStream>());
-    out.extend(format!("let {} = read_private_input::<{}>().unwrap();", fd.grouped_private_patterns(), fd.grouped_private_types()).parse::<TokenStream>());
+    out.extend(format!("let ({}) = read_public_input::<({})>().unwrap();", fd.grouped_public_patterns(), fd.grouped_public_types()).parse::<TokenStream>());
+    out.extend(format!("let ({}) = read_private_input::<({})>().unwrap();", fd.grouped_private_patterns(), fd.grouped_private_types()).parse::<TokenStream>());
 
     out.extend(
         format!(