forked from pythonnet/pythonnet
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathBorrowedReference.cs
More file actions
40 lines (33 loc) · 1.26 KB
/
BorrowedReference.cs
File metadata and controls
40 lines (33 loc) · 1.26 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
namespace Python.Runtime
{
using System;
/// <summary>
/// Represents a reference to a Python object, that is being lent, and
/// can only be safely used until execution returns to the caller.
/// </summary>
readonly ref struct BorrowedReference
{
readonly IntPtr pointer;
public bool IsNull => this.pointer == IntPtr.Zero;
/// <summary>Gets a raw pointer to the Python object</summary>
public IntPtr DangerousGetAddress()
=> this.IsNull ? throw new NullReferenceException() : this.pointer;
/// <summary>
/// Creates new instance of <see cref="BorrowedReference"/> from raw pointer. Unsafe.
/// </summary>
public BorrowedReference(IntPtr pointer)
{
this.pointer = pointer;
}
public static bool operator ==(BorrowedReference a, BorrowedReference b)
=> a.pointer == b.pointer;
public static bool operator !=(BorrowedReference a, BorrowedReference b)
=> a.pointer != b.pointer;
public override bool Equals(object obj) {
if (obj is IntPtr ptr)
return ptr == pointer;
return false;
}
public override int GetHashCode() => pointer.GetHashCode();
}
}