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#define LOGGING

using System;

namespace PartialMethodTest
{
    partial class Foo
    {
        partial void Log(string msg);

        public void DoSomething()
        {
            Log("Fizbin");
        }
    }

#if LOGGING
    partial class Foo
    {
        partial void Log(string msg)
        {
            Console.WriteLine(msg);
        }
    }
#endif

    class Program
    {
        static void Main(string[] args)
        {
            new Foo().DoSomething();
        }
    }
}

Quote:

but any calls to the method are also removed.

CPallini wrote:

if the method is intended to produce side-effects

CPallini wrote:

Wouldn't that be disastrous if the method is intended to produce side-effects?

using System;
using System.Diagnostics;

namespace ConditionalMethodTest
{
    class Foo
    {
        [Conditional("LOGGING")]
        private void Log(string msg)
        {
            Console.WriteLine(msg);
        }
        
        public void DoSomething()
        {
            Log("Fizbin");
        }
    }
    
    static class Program
    {
        static void Main()
        {
            new Foo().DoSomething();
        }
    }
}

Richard Deeming wrote:

for exactly the same effect.