constant expression

[ˈkɒnstənt ɪkˈsprɛʃən]
nounpl: constant expressions
expressão constante
1. In programming and mathematics, an expression whose value is determined at compile-time or parse-time and does not change during program execution.
The constant expression '2 + 3' evaluates to 5 at compile time.
A expressão constante '2 + 3' avalia para 5 em tempo de compilação.
2. A mathematical expression composed entirely of constants with no variables.
In C++, array sizes must be specified with a constant expression.
Em C++, tamanhos de arrays devem ser especificados com uma expressão constante.
3. A repeated phrase or statement that remains unchanged in meaning or form.
His constant expression of gratitude became a hallmark of his character.
Sua expressão constante de gratidão tornou-se uma marca registrada de seu caráter.
This term is primarily used in technical and academic contexts, particularly in software development and mathematics. In Brazil and Portugal, the term 'expressão constante' is universally understood in programming and engineering fields. The concept is fundamental to modern programming languages and compiler optimization.
Synonyms / Sinônimos
literal expressionstatic expressioncompile-time expression
Antonyms / Antônimos
variable expressiondynamic expressionruntime expression

Regional Variations

General Brazilian
expressão constante
Standard term used in computer science and mathematics contexts
Portugal
expressão constante
Same usage as Brazilian Portuguese in technical contexts
Technical/Academic
expressão constante em tempo de compilação
More specific term emphasizing compile-time evaluation

Related Words

compile-timeconstantliteralexpression evaluationvariable

Related Idioms & Phrases

constant expression of emotion
constant expression on one's face
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