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| author | Vladislav Zavialov <vlad.z.4096@gmail.com> | 2019-05-09 01:53:26 +0300 |
|---|---|---|
| committer | Ben Gamari <ben@smart-cactus.org> | 2019-05-14 16:41:19 -0400 |
| commit | a5fdd185188fcda595fd712f90864ec7c20cdace (patch) | |
| tree | d5e2864ea5c798e0950b84b635942cdf380cc97a /hadrian/src/Settings/Builders/Happy.hs | |
| parent | c72c369bcd56c74b745d90ee8f6acd12b430c65c (diff) | |
| download | haskell-a5fdd185188fcda595fd712f90864ec7c20cdace.tar.gz | |
Guard CUSKs behind a language pragma
GHC Proposal #36 describes a transition plan away from CUSKs and to
top-level kind signatures:
1. Introduce a new extension, -XCUSKs, on by default, that detects CUSKs
as they currently exist.
2. We turn off the -XCUSKs extension in a few releases and remove it
sometime thereafter.
This patch implements phase 1 of this plan, introducing a new language
extension to control whether CUSKs are enabled. When top-level kind
signatures are implemented, we can transition to phase 2.
Diffstat (limited to 'hadrian/src/Settings/Builders/Happy.hs')
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