SetArrayItemInstruction.cs

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namespace System.Linq.Expressions.Interpreter;
 
internal sealed class SetArrayItemInstruction : Instruction
{
    internal static readonly SetArrayItemInstruction Instance = new SetArrayItemInstruction();
 
    public override int ConsumedStack => 3;
 
    public override string InstructionName => "SetArrayItem";
 
    private SetArrayItemInstruction()
    {
    }
 
    public override int Run(InterpretedFrame frame)
    {
        object value = frame.Pop();
        int index = ConvertHelper.ToInt32NoNull(frame.Pop());
        Array array = (Array)frame.Pop();
        array.SetValue(value, index);
        return 1;
    }
}