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Description

An API for type-checker plugins.

This library provides a streamlined monadic interface for writing GHC type-checking plugins.

Each stage in a type-checking plugin (initialisation, solving, rewriting, shutdown) has a corresponding monad, preventing operations that are only allowed in some stages to be used in the other stages. Operations that work across multiple stages are overloaded across monads using MTL-like typeclasses.

Some operations, like creating evidence for constraints or creating custom type error messages, are also simplified.

Please refer to the associated GitHub repository for example usage.

Metadata

Version

0.11.0.0

Platforms (75)

    Darwin
    FreeBSD
    Genode
    GHCJS
    Linux
    MMIXware
    NetBSD
    none
    OpenBSD
    Redox
    Solaris
    WASI
    Windows
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