switch c#
switch(expression)
{
case x:
// code block
break;
case y:
// code block
break;
default:
// code block
break;
}switch c#
switch(expression)
{
case x:
// code block
break;
case y:
// code block
break;
default:
// code block
break;
}C# Switch
int var = 3;
switch (var)
{
case 1:
Console.WriteLine("Ahoy!");
break;
case 2:
Console.WriteLine("Hi!");
break;
case 3:
Console.WriteLine("HELLO!");
break;
}
//Output: HELLO!new in c# switch expression
public static T ExhaustiveExample<T>(IEnumerable<T> sequence) =>
sequence switch
{
System.Array { Length : 0} => default(T),
System.Array { Length : 1} array => (T)array.GetValue(0),
System.Array { Length : 2} array => (T)array.GetValue(1),
System.Array array => (T)array.GetValue(2),
IEnumerable<T> list
when !list.Any() => default(T),
IEnumerable<T> list
when list.Count() < 3 => list.Last(),
IList<T> list => list[2],
null => throw new ArgumentNullException(nameof(sequence)),
_ => sequence.Skip(2).First(),
};Copyright © 2021 Codeinu
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