fix: make argument type list stay as one type when there is just 1 argument name

1 files changed, 3 insertions, 3 deletions

diff --git a/src/type/util.rs b/src/type/util.rs
index d95629d..04b4ee6 100644
--- a/src/type/util.rs
+++ b/src/type/util.rs
@@ -54,15 +54,15 @@ impl SExp {
 	}
 
 	let argtypes = match argtype {
-	    Atom(Ty(List(v))) => Ok(v),
+	    Atom(Ty(List(v))) if argnamevec.len() > 1 => Ok(v),
 	    Atom(Ty(t)) => Ok(vec![t]),
 	    _ => {
 		Err(InvalidFunDef(self.clone(), InvalidArgumentList))
 	    },
 	}?;
 
-	let rettype = match rettype.clone().multistep() {
-	    Ok(Atom(Ty(t))) => Ok(t),
+	let rettype = match rettype.clone() {
+	    Atom(Ty(t)) => Ok(t),
 	    _ => Err(InvalidFunDef(self.clone(), InvalidReturnType))
 	}?;