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The Hugs-GHC Extension Libraries

The Hugs/GHC Team

January 1999

Hugs and GHC provide a common set of libraries to aid portability. This document specifies the interfaces to these libraries and documents known differences.

1. Naming conventions

2. Addr

3. Bits

4. Concurrent

5. Dynamic

5.1 Representing types
5.2 The Typeable class
5.3 Utility functions

6. Exception

6.1 The try functions
6.2 The catch functions
6.3 Dynamic Exceptions
6.4 Other Utilities

7. Foreign

8. GetOpt

9. IOExts

10. Int

11. NumExts

12. Pretty

13. ST

14. Stable

14.1 Stable Pointers
14.2 Stable Names

15. LazyST

16. Weak

16.1 Module Signature
16.2 Weak pointers
16.3 The simple interface
16.4 The general interface
16.5 A precise semantics
16.6 Finalization for foreign objects

17. Word

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