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C++ Templates

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Working with Multiple Typenames in Templates

Sometimes you will need more than one type to use in the function, and for this you can simply add more template parameters. Just make sure you give them different names.

Note

There is no inherent limit to the number of template parameters. However, as a general guideline keep the number of them as low as possible.

Create the function template print_pair that allows you to output a formatted message containing a pair of values. By defining the template parameters, you can specify the types of the two values you want to print.

Task

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Create and call a template with multiple type parameters.

  1. Fill in the ___ to complete the template definition.
  2. Call the template twice:
    • First call: Use <int, std::string> as the template types.
    • Second call: Use <char, float> as the template types.

Solution

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SectionΒ 1. ChapterΒ 4
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book
Working with Multiple Typenames in Templates

Sometimes you will need more than one type to use in the function, and for this you can simply add more template parameters. Just make sure you give them different names.

Note

There is no inherent limit to the number of template parameters. However, as a general guideline keep the number of them as low as possible.

Create the function template print_pair that allows you to output a formatted message containing a pair of values. By defining the template parameters, you can specify the types of the two values you want to print.

Task

Swipe to start coding

Create and call a template with multiple type parameters.

  1. Fill in the ___ to complete the template definition.
  2. Call the template twice:
    • First call: Use <int, std::string> as the template types.
    • Second call: Use <char, float> as the template types.

Solution

cpp

solution

Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
Everything was clear?

How can we improve it?

Thanks for your feedback!

SectionΒ 1. ChapterΒ 4
Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
We're sorry to hear that something went wrong. What happened?
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