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Listing 2.25 Importing Extension Functions

import com.example.time.plusDays

Note that the function name directly follows the package name because the extension does not reside inside a class or object. If there are multiple extension functions with the name plusDays defined in the package, all of them are imported.

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Extension functions offer a convenient way to work around limitations of third-party APIs that you cannot modify directly. For example, you can add methods to interfaces or encapsulate boilerplate around APIs. This is highly ...

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Cover of Kotlin for Android App Development, First Edition

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