The DAML standard library is a collection of DAML modules that are bundled with the DAML SDK, and can be used to implement DAML applications.

The :ref:`Prelude <module-prelude-6842>` module is imported automatically in every DAML module. Other modules must be imported manually, just like your own project's modules. For example:

import DA.Optional
import DA.Time

Here is a complete list of modules in the standard library:

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