Tip replacing <- with : for static values

crates/compiler/constrain/src/expr.rs

@@ -466,6 +466,7 @@ pub fn constrain_expr(
             let fn_reason = Reason::FnCall {
                 name: opt_symbol,
                 arity: loc_args.len() as u8,
+                called_via: *called_via,
             };
 
             let fn_con = constrain_expr(