Simplify the heap.

Garbage collection is no longer recursive, heap takes an offset
explicitly, and we use the vector length to store the free pointer.

1 files changed, 2 insertions, 2 deletions

diff --git a/bytecode/src/bytecode.rs b/bytecode/src/bytecode.rs
index e784d57..41302ad 100644
--- a/bytecode/src/bytecode.rs
+++ b/bytecode/src/bytecode.rs
@@ -183,7 +183,7 @@ impl Interpreter {
         if o < 0 {
             return Err(String::from("pointer offset can't be negative"));
         }
-        let result = self.heap.peek(p.offset(usize::try_from(o).unwrap()))?;
+        let result = self.heap.peek(p, usize::try_from(o).unwrap())?;
         self.set_arg(dest, result);
         Ok(())
     }
@@ -195,7 +195,7 @@ impl Interpreter {
         if o < 0 {
             return Err(String::from("pointer offset can't be negative"));
         }
-        self.heap.poke(w, p.offset(usize::try_from(o).unwrap()))?;
+        self.heap.poke(w, p, usize::try_from(o).unwrap())?;
         Ok(())
     }