feat: stash

src/ty/internal/func.rs

@@ -3,8 +3,8 @@ use itertools::Itertools;
 use rpds::HashTrieMap;
 
 use crate::bytecode::OpCodes;
+use crate::error::Result;
 use crate::ty::internal::{Thunk, Value};
-
 use crate::vm::{CapturedEnv, VM};
 
 #[derive(Debug, Clone)]
@@ -33,7 +33,7 @@ impl Func {
         }
     }
 
-    pub fn call(self, vm: &VM, arg: Value) -> Value {
+    pub fn call(self, vm: &VM, arg: Value) -> Result<Value> {
         use Param::*;
 
         let env = self.env.released();
@@ -71,7 +71,7 @@ impl Func {
             }
         }
 
-        vm.eval(self.opcodes, env).unwrap()
+        vm.eval(self.opcodes, env)
     }
 
     pub fn push_ident_param(&mut self, param: EcoString) {