Implement multiple return values.

1 files changed, 5 insertions, 2 deletions

diff --git a/bytecode/src/data.rs b/bytecode/src/data.rs
index e14eaa9..4774f2a 100644
--- a/bytecode/src/data.rs
+++ b/bytecode/src/data.rs
@@ -52,7 +52,10 @@ impl Value {
     pub fn to_pointer(self) -> Result<Pointer, String> {
         let Value(stack_representation) = self;
         if !self.is_pointer() {
-            return Err(format!("value {:x} is not a pointer", stack_representation));
+            return Err(format!(
+                "value 0x{:x} is not a pointer",
+                stack_representation
+            ));
         }
         return Ok(Pointer(usize::try_from(stack_representation).unwrap()));
     }
@@ -69,7 +72,7 @@ impl Value {
     pub fn to_int(self) -> Result<i64, String> {
         let Value(stack_representation) = self;
         if !self.is_int() {
-            return Err(format!("value {:x} is not an int", stack_representation));
+            return Err(format!("value 0x{:x} is not an int", stack_representation));
         }
         return Ok(stack_representation as i64 >> 1);
     }