Some API additions and reorganization for Data.Singletons.Sigma #400
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* `SSigma`, the singleton type for `Sigma`, has been added. This fixes #366. * A `Show` instance has been added for `Sigma` (and `SSigma`) by using copious amounts of quantified constraints. The behavior of these instances closely resembles the `Show` implementation for `DPair` in Idris' standard library: https://github.com/idris-lang/Idris-dev/blob/dbe521ff74189df85121abe454f86894de7fd75c/libs/prelude/Prelude/Show.idr#L195-L196 * New functions `fstSigma` and `sndSigma` (as well as their type-level counterparts) have been added. To avoid being a duplicate of `fstSigma`, `projSigma1` has been redefined to have a new type signature that uses continuation-passing style, much like its cousin `projSigma2`. * New functions `currySigma` and `uncurrySigma` have been added. This fixes #359 and supersedes #360.
This was referenced Jul 12, 2019
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SSigma, the singleton type forSigma, has been added. This fixes Singletons of singletons #366.Showinstance has been added forSigma(andSSigma) by using copious amounts of quantified constraints. The behavior of these instances closely resembles theShowimplementation forDPairin Idris' standard library: https://github.com/idris-lang/Idris-dev/blob/dbe521ff74189df85121abe454f86894de7fd75c/libs/prelude/Prelude/Show.idr#L195-L196fstSigmaandsndSigma(as well as their type-level counterparts) have been added. To avoid being a duplicate offstSigma,projSigma1has been redefined to have a new type signature that uses continuation-passing style, much like its cousinprojSigma2.currySigmaanduncurrySigmahave been added. This fixes Adding curry/uncurry, leftAdjunct/rightAdjunct #359 and supersedes Added {,un}currySigma to Data.Singletons.Sigma #360.