type-equality: Type equality, coercion/cast and other operations.
|Versions||0.1.0, 0.1.0.1, 0.1.0.2, 0.1.1, 0.1.2|
|Dependencies||base (>=3 && <5) [details]|
|Author||Erik Hesselink, Martijn van Steenbergen|
|Source repo||head: git clone git://github.com/hesselink/type-equality.git|
|Uploaded||by ErikHesselink at Sat May 11 19:19:49 UTC 2013|
|Downloads||2236 total (16 in the last 30 days)|
|Rating||(no votes yet) [estimated by rule of succession]|
|Status||Docs uploaded by user
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In the presence of GADTs, sometimes a proof is needed that two types are equal. This package contains an equality type for this purpose, plus its properties (reflexive, symmetric, transitive) and some useful operations (substitution, congruence, coercion/cast). It also contains a type class for producing equality proofs, providing some form of decidable equality on types.
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