36 lines
1.0 KiB
Rust
36 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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#![feature(libc)]
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extern crate libc;
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use std::ptr;
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use std::rc::Rc;
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use std::sync::Arc;
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fn main() {
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let p: *const libc::c_void = ptr::null();
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let rc = Rc::new(1usize);
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let arc = Arc::new(1usize);
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let b = Box::new("hi");
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let _ = format!("{:p}{:p}{:p}",
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rc, arc, b);
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if cfg!(target_pointer_width = "32") {
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assert_eq!(format!("{:#p}", p),
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"0x00000000");
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} else {
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assert_eq!(format!("{:#p}", p),
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"0x0000000000000000");
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}
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assert_eq!(format!("{:p}", p),
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"0x0");
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}
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