From: Skgland <bennet.blessmann+github@googlemail.com>
Date: Thu, 20 Nov 2025 20:13:17 +0000 (+0100)
Subject: return an AllocError instead of panicing in Heap::with_cell_capacity
X-Git-Url: https://git.sagredo.dev/?a=commitdiff_plain;h=e90c813528d27074fddbf8886167f4a0494a243b;p=scryer-prolog.git

return an AllocError instead of panicing in Heap::with_cell_capacity
---

diff --git a/src/machine/heap.rs b/src/machine/heap.rs
index 3c92f29b..18c7addf 100644
--- a/src/machine/heap.rs
+++ b/src/machine/heap.rs
@@ -596,7 +596,7 @@ impl Heap {
         self.resource_err_loc
     }
 
-    pub(crate) fn with_cell_capacity(cap: usize) -> Result<Self, usize> {
+    pub(crate) fn with_cell_capacity(cap: usize) -> Result<Self, AllocError> {
         let ptr = unsafe {
             let layout = alloc::Layout::from_size_align(
                 cap * size_of::<HeapCellValue>(),
@@ -607,7 +607,7 @@ impl Heap {
         };
 
         if ptr.is_null() {
-            panic!("could not allocate {} bytes for heap!", heap_index!(cap))
+            Err(AllocError)
         } else {
             Ok(Self {
                 inner: InnerHeap {