cpp_core/
vector_ops.rs

1//! Traits for common operations on C++ vectors.
2
3/// Provides access to the underlying memory buffer.
4pub trait Data {
5    /// Return type of `data()` function.
6    type Output;
7    /// Returns a pointer to the underlying memory buffer.
8    ///
9    /// # Safety
10    ///
11    /// The caller must make sure `self` contains a valid pointer. This function
12    /// may invoke arbitrary foreign code, so no safety guarantees can be made.
13    unsafe fn data(&self) -> Self::Output;
14}
15
16/// Provides mutable access to the underlying memory buffer.
17pub trait DataMut {
18    /// Return type of `data_mut()` function.
19    type Output;
20    /// Returns a pointer to the underlying memory buffer.
21    ///
22    /// # Safety
23    ///
24    /// The caller must make sure `self` contains a valid pointer. This function
25    /// may invoke arbitrary foreign code, so no safety guarantees can be made.
26    unsafe fn data_mut(&self) -> Self::Output;
27}
28
29/// Provides access to the size of the collection.
30pub trait Size {
31    /// Returns number of the elements in the underlying buffer.
32    ///
33    /// # Safety
34    ///
35    /// The caller must make sure `self` contains a valid pointer. This function
36    /// may invoke arbitrary foreign code, so no safety guarantees can be made.
37    unsafe fn size(&self) -> usize;
38}
cpp_core/vector_ops.rs

cpp_core/
vector_ops.rs
