Why Use Packages
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Design-time packages simplify the tasks of distributing and installing custom components. Runtime packages, which are optional, offer several advantages over conventional programming. By compiling reused code into a runtime library, you can share it among applications. For example, all of your applications - including Delphi itself - can access standard components through packages. Since the applications don't have separate copies of the component library bound into their executables, the executables are much smaller, saving both system resources and hard disk storage. Moreover, packages allow faster compilation because only code unique to the application is compiled with each build.