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replace println! statements with assert!ions in std::ptr examples

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r? @steveklabnik
This commit is contained in:
Matthew Piziak 2016-08-21 16:49:09 -04:00
parent 7ac11cad3f
commit 8b18e781ab
1 changed files with 8 additions and 4 deletions
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12
src/libcore/ptr.rs
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@ -128,7 +128,9 @@ pub unsafe fn replace<T>(dest: *mut T, mut src: T) -> T {
/// let x = 12;
/// let y = &x as *const i32;
///
/// unsafe { println!("{}", std::ptr::read(y)); }
/// unsafe {
/// assert_eq!(std::ptr::read(y), 12);
/// }
/// ```
#[inline(always)]
#[stable(feature = "rust1", since = "1.0.0")]
@ -178,7 +180,7 @@ pub unsafe fn read_and_drop<T>(dest: *mut T) -> T {
///
/// unsafe {
/// std::ptr::write(y, z);
/// println!("{}", std::ptr::read(y));
/// assert_eq!(std::ptr::read(y), 12);
/// }
/// ```
#[inline]
@ -220,7 +222,9 @@ pub unsafe fn write<T>(dst: *mut T, src: T) {
/// let x = 12;
/// let y = &x as *const i32;
///
/// unsafe { println!("{}", std::ptr::read_volatile(y)); }
/// unsafe {
/// assert_eq!(std::ptr::read_volatile(y), 12);
/// }
/// ```
#[inline]
#[stable(feature = "volatile", since = "1.9.0")]
@ -266,7 +270,7 @@ pub unsafe fn read_volatile<T>(src: *const T) -> T {
///
/// unsafe {
/// std::ptr::write_volatile(y, z);
/// println!("{}", std::ptr::read_volatile(y));
/// assert_eq!(std::ptr::read_volatile(y), 12);
/// }
/// ```
#[inline]