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Language Integrated Query (LINQ, pronounced "link") is a Microsoft.NET Framework component that adds native data querying capabilities to .NET languages, originally released as a major part of .NET Framework 3.5 in 2007.
LINQ provides a capability over typical list comprehension implementations. When the root object of the comprehension implements the IQueryable interface, rather than just executing the chained methods of the comprehension, the entire sequence of commands are converted into an abstract syntax tree (AST) object, which is passed to the IQueryable ...
Expression trees allow a specific implementation to capture a lambda as an abstract syntax tree rather than an executable block. This can be utilized by implementations to represent criteria in a different language, e.g. in the form of an SQL where clause as is the case with e.g. Linq, LINQ to SQL.
There are several different language structures that can be utilized with C# and LINQ and they are query expressions, lambda expressions, anonymous types, implicitly typed variables, extension methods, and object initializers. [98] LINQ has two syntaxes: query syntax and method syntax.
The Gambas environment is also similar but distinct from Visual Basic, as is the Visual FB ... Support for LINQ; Lambda expressions; XML Literals; Type Inference; ...
In computer programming, an anonymous function (function literal, expression or block) is a function definition that is not bound to an identifier.Anonymous functions are often arguments being passed to higher-order functions or used for constructing the result of a higher-order function that needs to return a function. [1]
LINQ by Microsoft provides a query language for the .NET Framework that is heavily influenced by functional programming concepts, including core operators for composing queries monadically. [ 16 ] ZipperFS is a simple, experimental file system that also uses the zipper structure primarily to implement its features.
Lambda architecture depends on a data model with an append-only, immutable data source that serves as a system of record. [ 2 ] : 32 It is intended for ingesting and processing timestamped events that are appended to existing events rather than overwriting them.