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List comprehension – C# 3 LINQ; Tuples – .NET Framework 4.0 but it becomes popular when C# 7.0 introduced a new tuple type with language support [104] Nested functions – C# 7.0 [104] Pattern matching – C# 7.0 [104] Immutability – C# 7.2 readonly struct C# 9 record types [105] and Init only setters [106]
Product type (also called a tuple), a record in which the fields are not named; String, a sequence of characters representing text; Union, a datum which may be one of a set of types; Tagged union (also called a variant, discriminated union or sum type), a union with a tag specifying which type the data is
An n-tuple is a tuple of n elements, where n is a non-negative integer. There is only one 0-tuple, called the empty tuple. A 1-tuple and a 2-tuple are commonly called a singleton and an ordered pair, respectively. The term "infinite tuple" is occasionally used for "infinite sequences".
Finally, since C# version 7.0, the language has native syntactical support for the construction, deconstruction, and manipulation of tuples as ValueTuple instances; this also provides for the arbitrary renaming of the tuples' constituent fields (as opposed to Tuple, where the fields are always named Item1, Item2, etc.).
The Linda model provides a distributed shared memory, known as a tuple space because its basic addressable unit is a tuple, an ordered sequence of typed data objects; specifically in Linda, a tuple is a sequence of up to 16 typed fields enclosed in parentheses". The tuple space is "logically shared by processes" which are referred to as workers ...
UPB name - LWB name+1 2 UPB name - 2 LWB name+1 etc. LWB name 2 LWB name etc. UPB name. 2 UPB name etc. APL ⍴ name (⍴ name)[index] ⎕IO (⍴ name)-~⎕IO (⍴ name)[index]-~⎕IO: AWK: length: 1: asorti: C#, Visual Basic (.NET), Windows PowerShell, F#: name.Length: name.GetLowerBound(dimension) name.GetUpperBound(dimension) CFML: arrayLen ...
Example of a web form with name-value pairs. A name–value pair, also called an attribute–value pair, key–value pair, or field–value pair, is a fundamental data representation in computing systems and applications. Designers often desire an open-ended data structure that allows for future extension without modifying existing code or data.
A singly-linked list structure, implementing a list with three integer elements. The term list is also used for several concrete data structures that can be used to implement abstract lists, especially linked lists and arrays. In some contexts, such as in Lisp programming, the term list may refer specifically to a linked list rather than an array.