C# Online Compiler | .NET Fiddle

<no name> by Anonymous

using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
					
public class Program
{
	public static void Main()
	{
		var flags = EnumHelper.GetFlags(typeof(A), 3);
		Console.WriteLine(string.Join(", ", flags));
	}
}

[Flags]
enum A
{
	First = 1, Second = 2
}

static class EnumHelper
{
	public static IEnumerable<Enum> GetFlags(Type enumType, int value)
	{
		if (enumType == null)
			throw new ArgumentNullException(nameof(enumType));
		
		if (!enumType.IsEnum)
			throw new ArgumentException(string.Empty, nameof(enumType));
		
		var attribute = enumType.GetCustomAttribute<FlagsAttribute>();
		if (attribute == null)
			throw new ArgumentException(string.Empty, nameof(enumType));
		
		var enumValue = (Enum) Enum.ToObject(enumType, value);
		
		return from Enum enumVal in enumType.GetEnumValues()
			   where enumValue.HasFlag(enumVal)
			   select enumVal;
	}
}

​x
 
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
                    
public class Program
{
    public static void Main()
    {
        var flags = EnumHelper.GetFlags(typeof(A), 3);
        Console.WriteLine(string.Join(", ", flags));
    }
}
​
[Flags]
enum A
{
    First = 1, Second = 2
}
​
static class EnumHelper
{
    public static IEnumerable<Enum> GetFlags(Type enumType, int value)
    {
        if (enumType == null)
            throw new ArgumentNullException(nameof(enumType));
        
        if (!enumType.IsEnum)
            throw new ArgumentException(string.Empty, nameof(enumType));
        
        var attribute = enumType.GetCustomAttribute<FlagsAttribute>();
        if (attribute == null)
            throw new ArgumentException(string.Empty, nameof(enumType));
        
        var enumValue = (Enum) Enum.ToObject(enumType, value);
        
        return from Enum enumVal in enumType.GetEnumValues()
               where enumValue.HasFlag(enumVal)
               select enumVal;
    }
}

Compilation error (line 4, col 7): The type or namespace name 'Json' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 36, col 21): The type or namespace name 'JsonSchema' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 51, col 28): The type or namespace name 'JsonSchema' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 22, col 26): The name 'JsonSchema' does not exist in the current context
Compilation error (line 36, col 51): The type or namespace name 'JsonSchemaBuilder' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 37, col 25): The type or namespace name 'Dictionary<,>' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 37, col 44): The type or namespace name 'JsonSchema' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 39, col 28): The type or namespace name 'JsonSchemaBuilder' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 40, col 31): The name 'SchemaValueType' does not exist in the current context
Compilation error (line 43, col 28): The type or namespace name 'JsonSchemaBuilder' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 44, col 31): The name 'SchemaValueType' does not exist in the current context
Compilation error (line 51, col 59): The type or namespace name 'JsonSchemaBuilder' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 52, col 15): The name 'SchemaValueType' does not exist in the current context
Compilation error (line 53, col 17): The name 'MetaSchemas' does not exist in the current context
Compilation error (line 56, col 25): The type or namespace name 'Dictionary<,>' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 56, col 44): The type or namespace name 'JsonSchema' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 59, col 30): The type or namespace name 'JsonSchemaBuilder' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 60, col 23): The name 'SchemaValueType' does not exist in the current context
Compilation error (line 67, col 32): The type or namespace name 'JsonSchemaBuilder' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 68, col 23): The name 'SchemaValueType' does not exist in the current context
Compilation error (line 75, col 31): The type or namespace name 'JsonSchemaBuilder' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 76, col 23): The name 'SchemaValueType' does not exist in the current context
Compilation error (line 78, col 28): The type or namespace name 'JsonSchemaBuilder' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 79, col 25): The type or namespace name 'JsonSchemaBuilder' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 83, col 19): The type or namespace name 'Dictionary<,>' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 83, col 38): The type or namespace name 'JsonSchema' could not be found (are you missing a using directive or an assembly reference?)

Last Run:	10:18:09 pm
Compile:	0.007s
Execute:	0s
Memory:	0b
CPU:	0s

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