// run-pass | |
#![allow(stable_features)] | |
#![feature(allocator_api, nonnull)] | |
use std::alloc::{Alloc, Global, Layout, handle_alloc_error}; | |
fn main() { | |
unsafe { | |
let ptr = Global.alloc_one::<i32>().unwrap_or_else(|_| { | |
handle_alloc_error(Layout::new::<i32>()) | |
}); | |
*ptr.as_ptr() = 4; | |
assert_eq!(*ptr.as_ptr(), 4); | |
Global.dealloc_one(ptr); | |
} | |
} |