inline specifier
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[modifier] Syntaxe
| inline function_declaration | |||||||||
[modifier] Description
Le mot-clé inline est une indication donnée au compilateur d'effectuer une optimisation. Le compilateur a le droit d'ignorer cette demande .
Original:
The inline keyword is a hint given to the compiler to perform an optimization. The compiler has the freedom to ignore this request.
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Si le compilateur Inlines la fonction, il remplace chaque appel de cette fonction avec le corps réel (sans générer un appel) .
Original:
If the compiler inlines the function, it replaces every call of that function with the actual body (without generating a call).
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Ceci évite une charge supplémentaire créée par l'appel de fonction (placer les données sur la pile et récupérer le résultat), mais il peut en résulter une plus grande exécutable comme le code de la fonction doit être répété plusieurs fois .
Original:
This avoids extra overhead created by the function call (placing data on stack and retrieving the result) but it may result in a larger executable as the code for the function has to be repeated multiple times.
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Le résultat est similaire à fonction de type macros
Original:
The result is similar to fonction de type macros
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Le corps de la fonction doit être visible dans l'unité de traduction en cours .
Original:
The function body must be visible in the current translation unit.
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Les méthodes de classe définies à l'intérieur du corps de la classe sont implicitement déclarée en ligne .
Original:
Class methods defined inside the class body are implicitly declared inline.
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[modifier] Exemple
inline int sum(int a, int b) { return (a + b); } int c = sum(1, 4); // if the compiler inlines the function the compiled code will be the same as writing int c = 1 + 4;
