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- Expression_(computer_science) abstract "An expression in a programming language is a combination of explicit values, constants, variables, operators, and functions that are interpreted according to the particular rules of precedence and of association for a particular programming language, which computes and then produces (returns, in a stateful environment) another value. This process, like for mathematical expressions, is called evaluation. The value can be of various types, such as numerical, string, and logical.For example, 2+3 is an arithmetic and programming expression which evaluates to 5. A variable is an expression because it denotes a value in memory, so y+6 is an expression. An example of a relational expression is 4≠4, which evaluates to false.In C and most C-derived languages, a call to a function with a void return type is a valid expression, of type void. Values of type void cannot be used, so the value of such an expression is always thrown away.In many programming languages a function, and hence an expression containing a function, may have side effects. An expression with side effects does not normally have the property of referential transparency. In many languages (e.g. C++), expressions may be ended with a semicolon (;) to turn the expression into an expression statement. This asks the implementation to evaluate the expression for its side-effects only, and disregard the result of the expression.".
- Expression_(computer_science) wikiPageID "938708".
- Expression_(computer_science) wikiPageRevisionID "598667897".
- Expression_(computer_science) hasPhotoCollection Expression_(computer_science).
- Expression_(computer_science) subject Category:Evaluation.
- Expression_(computer_science) subject Category:Programming_language_concepts.
- Expression_(computer_science) type Abstraction100002137.
- Expression_(computer_science) type Cognition100023271.
- Expression_(computer_science) type Concept105835747.
- Expression_(computer_science) type Content105809192.
- Expression_(computer_science) type Idea105833840.
- Expression_(computer_science) type ProgrammingLanguageConcepts.
- Expression_(computer_science) type PsychologicalFeature100023100.
- Expression_(computer_science) comment "An expression in a programming language is a combination of explicit values, constants, variables, operators, and functions that are interpreted according to the particular rules of precedence and of association for a particular programming language, which computes and then produces (returns, in a stateful environment) another value. This process, like for mathematical expressions, is called evaluation.".
- Expression_(computer_science) label "Ausdruck (Programmierung)".
- Expression_(computer_science) label "Espressione (informatica)".
- Expression_(computer_science) label "Expresión (informática)".
- Expression_(computer_science) label "Expression (computer science)".
- Expression_(computer_science) label "Expression (informatique)".
- Expression_(computer_science) label "Uitdrukking (programmeren)".
- Expression_(computer_science) label "Wyrażenie (informatyka)".
- Expression_(computer_science) label "式 (プログラミング)".
- Expression_(computer_science) sameAs Ausdruck_(Programmierung).
- Expression_(computer_science) sameAs Expresión_(informática).
- Expression_(computer_science) sameAs Expression_(informatique).
- Expression_(computer_science) sameAs Ekspresi_(ilmu_komputer).
- Expression_(computer_science) sameAs Espressione_(informatica).
- Expression_(computer_science) sameAs 式_(プログラミング).
- Expression_(computer_science) sameAs 식_(프로그래밍).
- Expression_(computer_science) sameAs Uitdrukking_(programmeren).
- Expression_(computer_science) sameAs Wyrażenie_(informatyka).
- Expression_(computer_science) sameAs m.03rs_2.
- Expression_(computer_science) sameAs Q778379.
- Expression_(computer_science) sameAs Q778379.
- Expression_(computer_science) sameAs Expression_(computer_science).
- Expression_(computer_science) wasDerivedFrom Expression_(computer_science)?oldid=598667897.
- Expression_(computer_science) isPrimaryTopicOf Expression_(computer_science).