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The Scrap your boilerplate approach is a lightweight generic programming approach for Haskell. [15] In this article we distinguish the high-level programming paradigms of generic programming, above, from the lower-level programming language genericity mechanisms used to implement them (see Programming language support for genericity). For ...
The implementation module, starting with the keyword MODULE, provides the code, and any further constants, types, or variables needed to implement the interface. By default, an implementation module will implement the interface of the same name, but a module may explicitly EXPORT to a module not of the same name. For example, the main program ...
Interfaces combined with aspect-oriented programming can also produce full-fledged mixins in languages that support such features, such as C# or Java. Additionally, through the use of the marker interface pattern, generic programming, and extension methods, C# 3.0 has the ability to mimic mixins. With Dart 2.7 and C# 3.0 came the introduction ...
In languages supporting multiple inheritance, such as C++, interfaces are implemented as abstract classes. In languages without explicit support, protocols are often still present as conventions. This is known as duck typing. For example, in Python, any class can implement an __iter__ method and be used as a collection. [3]
C#: Since version 8.0, C# has support for default interface methods, [7] which have some properties of traits. [8] C++: Used in Standard Template Library and the C++ Standard Library to support generic container classes [9] [10] and in the Boost TypeTraits library. [11]
This is an accepted version of this page This is the latest accepted revision, reviewed on 17 February 2025. General-purpose programming language "C programming language" redirects here. For the book, see The C Programming Language. Not to be confused with C++ or C#. C Logotype used on the cover of the first edition of The C Programming Language Paradigm Multi-paradigm: imperative (procedural ...
Though the syntax of template metaprogramming is usually very different from the programming language it is used with, it has practical uses. Some common reasons to use templates are to implement generic programming (avoiding sections of code which are similar except for some minor variations) or to perform automatic compile-time optimization such as doing something once at compile time rather ...
Compile-time templates. Allows for Turing complete meta-programming. Generics are used to achieve basic type-parametrization, but they do not translate from source code to byte code due to the use of type erasure by the compiler. Function pointers, function objects, lambdas (in C++11), and interfaces (using abstract classes).