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How to Use Template Specialization | Template Specialization
C++ Templates
course content

Conteúdo do Curso

C++ Templates

C++ Templates

1. Creating First Template
2. Templates Usage
3. Class Templates
4. Template Specialization

bookHow to Use Template Specialization

Syntax of Template Specialization

To understand how template specialization works, we first need to grasp what happens under the hood when a template is called with a specific data type.

When you call a template function with a particular type, the compiler generates a concrete instance of the template for that type. This process is called template instantiation. Essentially, the compiler substitutes the template parameter with the provided type and creates a specialized version of the function.

cpp

main

h

header

copy
123456789101112
#include <iostream> template<typename T> T TemplateFunction(T value) { return value; } int main() { // When the compiler encounters this line // It generates a function for the specified type // VVV TemplateFunction<int>(5); }

But first, it checks if a substitution for this function already exists. There's no point in generating multiple instances of this function if it's called with the same type repeatedly. With this knowledge, we can use it for our purposes.

Tarefa

Create a template specialization for the TemplateFunction that handles std::string data types.

  1. Implement a specialization for TemplateFunction to process std::string parameters differently.
  2. Ensure that any string passed as a parameter has "Specialized: " added to the beginning of the returned value.

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Seção 4. Capítulo 2
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bookHow to Use Template Specialization

Syntax of Template Specialization

To understand how template specialization works, we first need to grasp what happens under the hood when a template is called with a specific data type.

When you call a template function with a particular type, the compiler generates a concrete instance of the template for that type. This process is called template instantiation. Essentially, the compiler substitutes the template parameter with the provided type and creates a specialized version of the function.

cpp

main

h

header

copy
123456789101112
#include <iostream> template<typename T> T TemplateFunction(T value) { return value; } int main() { // When the compiler encounters this line // It generates a function for the specified type // VVV TemplateFunction<int>(5); }

But first, it checks if a substitution for this function already exists. There's no point in generating multiple instances of this function if it's called with the same type repeatedly. With this knowledge, we can use it for our purposes.

Tarefa

Create a template specialization for the TemplateFunction that handles std::string data types.

  1. Implement a specialization for TemplateFunction to process std::string parameters differently.
  2. Ensure that any string passed as a parameter has "Specialized: " added to the beginning of the returned value.

Switch to desktopMude para o desktop para praticar no mundo realContinue de onde você está usando uma das opções abaixo
Tudo estava claro?

Como podemos melhorá-lo?

Obrigado pelo seu feedback!

Seção 4. Capítulo 2
toggle bottom row

bookHow to Use Template Specialization

Syntax of Template Specialization

To understand how template specialization works, we first need to grasp what happens under the hood when a template is called with a specific data type.

When you call a template function with a particular type, the compiler generates a concrete instance of the template for that type. This process is called template instantiation. Essentially, the compiler substitutes the template parameter with the provided type and creates a specialized version of the function.

cpp

main

h

header

copy
123456789101112
#include <iostream> template<typename T> T TemplateFunction(T value) { return value; } int main() { // When the compiler encounters this line // It generates a function for the specified type // VVV TemplateFunction<int>(5); }

But first, it checks if a substitution for this function already exists. There's no point in generating multiple instances of this function if it's called with the same type repeatedly. With this knowledge, we can use it for our purposes.

Tarefa

Create a template specialization for the TemplateFunction that handles std::string data types.

  1. Implement a specialization for TemplateFunction to process std::string parameters differently.
  2. Ensure that any string passed as a parameter has "Specialized: " added to the beginning of the returned value.

Switch to desktopMude para o desktop para praticar no mundo realContinue de onde você está usando uma das opções abaixo
Tudo estava claro?

Como podemos melhorá-lo?

Obrigado pelo seu feedback!

Syntax of Template Specialization

To understand how template specialization works, we first need to grasp what happens under the hood when a template is called with a specific data type.

When you call a template function with a particular type, the compiler generates a concrete instance of the template for that type. This process is called template instantiation. Essentially, the compiler substitutes the template parameter with the provided type and creates a specialized version of the function.

cpp

main

h

header

copy
123456789101112
#include <iostream> template<typename T> T TemplateFunction(T value) { return value; } int main() { // When the compiler encounters this line // It generates a function for the specified type // VVV TemplateFunction<int>(5); }

But first, it checks if a substitution for this function already exists. There's no point in generating multiple instances of this function if it's called with the same type repeatedly. With this knowledge, we can use it for our purposes.

Tarefa

Create a template specialization for the TemplateFunction that handles std::string data types.

  1. Implement a specialization for TemplateFunction to process std::string parameters differently.
  2. Ensure that any string passed as a parameter has "Specialized: " added to the beginning of the returned value.

Switch to desktopMude para o desktop para praticar no mundo realContinue de onde você está usando uma das opções abaixo
Seção 4. Capítulo 2
Switch to desktopMude para o desktop para praticar no mundo realContinue de onde você está usando uma das opções abaixo
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