using System.Collections.Generic;
public static void Main()
foreach(var item in list)
Console.WriteLine(item.IsSomething);
public static IEnumerable<Test> Get()
new Test { IsSomething = true },
new Test { IsSomething = true },
new Test { IsSomething = true },
new Test { IsSomething = true }
var list = numbers.Where(n => n.IsSomething);
foreach(var item in list)
item.IsSomething = false;
public bool IsSomething {get; set;}