Lines Matching +full:union +full:- +full:value

12 pub(crate) const fn as_ptr<T>(t: &T) -> *const T {  in as_ptr()
18 pub(crate) fn as_mut_ptr<T>(t: &mut T) -> *mut T {  in as_mut_ptr()
22 /// Convert an `Option<&T>` into a possibly-null `*const T`.
24 pub(crate) const fn option_as_ptr<T>(t: Option<&T>) -> *const T {  in option_as_ptr()
31 /// Convert an `Option<&mut T>` into a possibly-null `*mut T`.
33 pub(crate) fn option_as_mut_ptr<T>(t: Option<&mut T>) -> *mut T {  in option_as_mut_ptr()
43 pub(crate) fn check_raw_pointer<T>(value: *mut c_void) -> Option<NonNull<T>> {  in check_raw_pointer()
44     if (value as usize).checked_add(size_of::<T>()).is_none()  in check_raw_pointer()
45         || (value as usize) % align_of::<T>() != 0  in check_raw_pointer()
50     NonNull::new(value.cast())  in check_raw_pointer()
53 /// Create an array value containing all default values, inferring the type.
55 pub(crate) fn default_array<T: Default + Copy, const N: usize>() -> [T; N] {  in default_array()
59 /// Create a union value containing a default value in one of its arms.
61 /// The field names a union field which must have the same size as the union
64     ($union:ident, $field:ident) => {{
65         let u = $union {
69         // Assert that the given field initializes the whole union.
77             const_assert_eq!(memoffset::offset_of_union!($union, $field), 0);