{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can a Rust program implement heaps on the blockchain?","a":"Create  a function named `heap_alloc` that allocates memory from the heap:\n\n```rust\nfn heap_alloc(size: usize) -\u003e *mut u8 {\n    let mut heap = vec![0; size];\n    let heap_ptr = heap.as_mut_ptr();\n    heap.set_len(size);\n    heap_"}]}],"pr":"2bea4a48cfd831f7f23a6d58a09b6b04cca4f016d4ba0ca8362374aa29c64560"}