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| author | Richard Eisenberg <eir@cis.upenn.edu> | 2013-08-02 15:47:03 +0100 |
|---|---|---|
| committer | Richard Eisenberg <eir@cis.upenn.edu> | 2013-08-02 15:47:03 +0100 |
| commit | e8aa8ccba0c40884765281b21ff8f4411802dd41 (patch) | |
| tree | e29e041226a8cb34a1aeca77f824b22db5a9be0f /docs/core-spec/README | |
| parent | 303d3de9b52f67b9234f94d0e77e0933ca572ce7 (diff) | |
| download | haskell-e8aa8ccba0c40884765281b21ff8f4411802dd41.tar.gz | |
Implement "roles" into GHC.
Roles are a solution to the GeneralizedNewtypeDeriving type-safety
problem.
Roles were first described in the "Generative type abstraction" paper,
by Stephanie Weirich, Dimitrios Vytiniotis, Simon PJ, and Steve Zdancewic.
The implementation is a little different than that paper. For a quick
primer, check out Note [Roles] in Coercion. Also see
http://ghc.haskell.org/trac/ghc/wiki/Roles
and
http://ghc.haskell.org/trac/ghc/wiki/RolesImplementation
For a more formal treatment, check out docs/core-spec/core-spec.pdf.
This fixes Trac #1496, #4846, #7148.
Diffstat (limited to 'docs/core-spec/README')
| -rw-r--r-- | docs/core-spec/README | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/docs/core-spec/README b/docs/core-spec/README index e193955490..1fb304d261 100644 --- a/docs/core-spec/README +++ b/docs/core-spec/README @@ -64,7 +64,7 @@ your notation to LaTeX. Three different homs are used: help disambiguate otherwise-ambiguous parses. Getting these right is hard, so if you have trouble, you're not alone. -- In one place, it was necessary to use an @ symbol to disambiguate parses. The +- In a few places, it is necessary to use an @ symbol to disambiguate parses. The @ symbol is not typeset and is used solely for disambiguation. Feel free to use it if necessary to disambiguate other parses. |