lv_std/unsafe_std/ptrs/
raw_const_ptr.rs

1
2
3/* 
4To be used later on, I prefer focusing on the RawPtr
5 */
6
7/*
8use std::marker::PhantomData;
9use std::mem::{transmute, transmute_copy};
10use crate::unsafe_std::ptrs::raw_ptr::RawPtr;
11
12#[repr(transparent)]
13#[derive(Copy, Clone, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
14pub struct RawConstPtr<T> {
15    ptr: *const T,
16    _marker: PhantomData<T>,
17}
18
19impl<T> RawConstPtr<T> {
20
21    const NULL: RawConstPtr<T> = RawConstPtr::null();
22
23
24    #[inline(always)]
25    pub const fn new(value: &T) -> RawConstPtr<T> {
26        Self {
27            ptr: value as *const T,
28            _marker: PhantomData,
29        }
30    }
31
32    #[inline(always)]
33    pub const fn null() -> RawConstPtr<T> {
34        Self {
35            ptr: std::ptr::null_mut(),
36            _marker: PhantomData,
37        }
38    }
39
40    #[inline(always)]
41    pub const unsafe fn index(&self, index: isize) -> &T {
42        &*self.ptr.offset(index)
43    }
44
45    #[inline(always)]
46    pub const fn is_null(&self) -> bool {
47        self.ptr.is_null()
48    }
49
50    #[inline(always)]
51    pub const unsafe fn as_ref(&self) -> Option<&T> {
52        self.ptr.as_ref()
53    }
54
55    #[inline(always)]
56    pub const unsafe fn as_const_raw(&self) -> Option<*const T> {
57        if self.ptr.is_null() {
58            None
59        } else {
60            Some(self.ptr as  *const T)
61        }
62    }
63
64    #[inline(always)]
65    pub const unsafe fn const_cast_mut(self) -> RawPtr<T> {
66        transmute(self)
67    }
68
69    #[inline(always)]
70    pub const unsafe fn cast<U>(self) -> RawConstPtr<U> {
71        transmute(self)
72    }
73
74    #[inline(always)]
75    pub const unsafe fn cast_ref<U>(&self) -> &U {
76        transmute(self.ptr as *const U)
77    }
78
79    #[inline(always)]
80    pub const unsafe fn cast_const_raw<U>(&mut self) -> *const U {
81        transmute(self.ptr)
82    }
83}*/
lv_std/unsafe_std/ptrs/raw_const_ptr.rs

lv_std/unsafe_std/ptrs/
raw_const_ptr.rs
