pythonnet/src/runtime/BorrowedReference.cs at drop-python2 · filmor/pythonnet · GitHub

25 lines (23 loc) · 817 Bytes

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;

}

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