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BorrowedReference.cs
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26 lines (23 loc) · 818 Bytes
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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;
}
}
}