<?xml version="1.0" encoding="euc-jp"?>
<ErrorDocumentation xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
  <ErrorName>CS0173</ErrorName>
  <Examples>
    <string>// cs0173-2.cs: Type of conditional expression cannot be determined because there is no implicit conversion between `int' and `null'
// Line: 29

public class MainClass {
        public static void Main() {
                bool result = false;
                System.Console.WriteLine (result ? 1 : null);
	}
}
</string>
    <string>// cs0173-3.cs: Type of conditional expression cannot be determined because there is no implicit conversion between `ClassA' and `ClassB'
// Line: 29

class ClassA {
        public static implicit operator ClassB (ClassA value) {
                return null;
        }
        
        public static implicit operator ClassA (ClassB value) {
                return null;
        }
}

class ClassB {
        public static implicit operator ClassA (ClassB value) {
                return null;
        }
        
        public static implicit operator ClassB (ClassA value) {
                return null;
        }
}

public class MainClass {
        public static void Main() {
                ClassA a = new ClassA();
                ClassB b = new ClassB();
            
                System.Console.WriteLine(true ? a : b);
   }
}
</string>
    <string>// CS0173: Type of conditional expression cannot be determined because there is no implicit conversion between `null' and `null'
// Line: 8

class X
{
	static void Main (string[] args)
	{
		bool b = args.Length &gt; 0 ? null : null;
	}
}
</string>
    <string>// CS0173: Type of conditional expression cannot be determined because there is no implicit conversion between `null' and `null'
// Line: 10

using System;

class X
{
	static int Main (string[] args)
	{
		int[] t = args.Length &gt; 0 ? null : null;
		return t == null ? 0 : 1;
	}
}
</string>
  </Examples>
</ErrorDocumentation>