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How to easily initialize a list of Tuples in C#?
Tuple can be used where you want to have a data structure to hold an object with properties, but you don't want to create a separate type for it. The Tuple<T> class was introduced in .NET Framework 4.0. A tuple is a data structure that contains a sequence of elements of different data types.
Tuple<int, string, string> person = new Tuple <int, string, string>(1, "Test", "Test1");
A tuple can only include a maximum of eight elements. It gives a compiler error when you try to include more than eight elements.
Tuples of List
var tupleList = new List<(int, string)>
{
(1, "cow1"),
(5, "chickens1"),
(1, "airplane1")
};Tuples of Array
var tupleArray = new(int, string)[]
{
(1, "cow1"),
(5, "chickens1"),
(1, "airplane1")
};Nested Tuples
var numbers = Tuple.Create(1, 2, 3, 4, 5, 6, 7, Tuple.Create(8, 9, 10, 11, 12, 13));
Tuple as a Method Parameter
static void DisplayTuple(Tuple<int,string,string> person)
{
}Tuple as a Return Type
static Tuple<int, string, string> GetTest()
{
return Tuple.Create(1, "Test1", "Test2");
}
Updated on: 07-Nov-2020
3K+ Views
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