Function template
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[modifier]Description
Des modèles de conception permettent fonction générique qui fonctionnent sur différents types, sans la nécessité de réécrire plusieurs fois
Original:
Templates allow generic function design that work on various types, without the need of rewriting it multiple times
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[modifier]Syntaxe
[modifier]Déclaration
template<template_arguments>function_declaration | (1) | ||||||||
exporttemplate<template_arguments>function_declaration | (2) | (avant C++11) | |||||||
# Modèle de déclaration de fonction Erreur de référence : Clôture
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{{{2}}}
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# Exportés déclaration de fonction template. Le corps de la fonction peut être définie dans un fichier séparé Erreur de référence : Clôture
</ref> manquante pour la balise <ref>.Original:
{{{2}}}
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[modifier]Arguments
| classidentifier | (1) | ||||||||
| typenameidentifier | (2) | ||||||||
| integral_typeidentifier | (3) | ||||||||
classidentifier=type_name | (4) | (depuis C++11) | |||||||
typenameidentifier=type_name | (5) | (depuis C++11) | |||||||
integral_typeidentifier=const_expr | (6) | (depuis C++11) | |||||||
À l'intérieur de la fonction identifier peut être utilisé comme un type
3) Original:
Inside the function identifier can be used as a type
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À l'intérieur de la fonction identifier peut être utilisé comme une constante
4-6) Original:
Inside the function identifier can be used as a constant
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Les arguments par défaut
Original:
Default arguments
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[modifier]Spécialisation
| This section is incomplete Reason: partial specialization |
template<>retfunction_name<template_args>(func_args)body | |||||||||
Spécialisation modifie la mise en œuvre de la fonction de modèle pour les paramètres des modèles spécifiques
Original:
Specialization changes the implementation of the template function for specific template parameters
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[modifier]Appel
function_name<template_args>(func_args) | (1) | ||||||||
function_name(unambiguous_func_args) | (2) | ||||||||
Arguments template # explicites, si func_args ne correspondent pas parfaitement avec les types comme dans la déclaration de modèle (avec le template_args donné) la coulée d'habitude va se produire
Original:
# Explicit template arguments, if func_args don't match perfectly with the types as in the template declaration (with the given template_args) the usual casting will occur
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Arguments template # implicites, déduites des arguments de la fonction. Aucune ambiguïté ne peut être présent
Original:
# Implicit template arguments, deduced from the function arguments. No ambiguity can be present
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| This section is incomplete Reason: better explanation/example |
[modifier]Exemple
| This section is incomplete |
template<typename T>struct S {template<typename U>void foo(){}}; template<typename T>void bar(){ S<T>s; s.foo<T>();// error: < parsed as less than operator s.template foo<T>();// OK}
[modifier]Voir aussi
[modifier]Notes
Original:
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