41 lines
1.0 KiB
Rust
41 lines
1.0 KiB
Rust
// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// Tests that it is possible to create a global allocator in a submodule, rather than in the crate
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// root.
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#![feature(alloc, allocator_api, global_allocator)]
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extern crate alloc;
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use std::{
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alloc::{GlobalAlloc, Layout},
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ptr,
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};
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struct MyAlloc;
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unsafe impl GlobalAlloc for MyAlloc {
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unsafe fn alloc(&self, layout: Layout) -> *mut u8 {
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ptr::null_mut()
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}
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unsafe fn dealloc(&self, ptr: *mut u8, layout: Layout) {}
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}
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mod submod {
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use super::MyAlloc;
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#[global_allocator]
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static MY_HEAP: MyAlloc = MyAlloc; //~ ERROR global_allocator
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}
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fn main() {}
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