| // Tests that it is possible to create a global allocator in a submodule, rather than in the crate |
| // root. |
| |
| #![feature(alloc, allocator_api, global_allocator)] |
| |
| extern crate alloc; |
| |
| use std::{ |
| alloc::{GlobalAlloc, Layout}, |
| ptr, |
| }; |
| |
| struct MyAlloc; |
| |
| unsafe impl GlobalAlloc for MyAlloc { |
| unsafe fn alloc(&self, layout: Layout) -> *mut u8 { |
| ptr::null_mut() |
| } |
| |
| unsafe fn dealloc(&self, ptr: *mut u8, layout: Layout) {} |
| } |
| |
| mod submod { |
| use super::MyAlloc; |
| |
| #[global_allocator] |
| static MY_HEAP: MyAlloc = MyAlloc; //~ ERROR global_allocator |
| } |
| |
| fn main() {} |