This option controls whether switch expressions should be preferred over switch statements when producing a single value.
var result = value switch
{
1 => "one",
2 => "two",
_ => "unknown"
};string result;
switch (value)
{
case 1:
result = "one";
break;
case 2:
result = "two";
break;
default:
result = "unknown";
break;
}