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One of the most obvious omissions from early versions of Haskell was the absence of records, offering named fields. There are a huge number of record systems, variously supporting record extension, concatenation, update, and polymorphism. All of them have a complicating effect on the type system ...
PureScript's dedicated syntax for creating, updating and accessing records arguably offers it an advantage over languages like Haskell. Since PureScript bases all records on rowpolymorphism, programmers can write unique collections of functions for record access and retrieval. The PureScript compiler infe...
We address the particular challenge to preserve Haskell's type inference even for objects and object-operating functions. The OO features are introduced in Haskell as the OOHaskell library. OOHaskell lends itself as a sandbox for typed OO language design....
Step-by-steprecipesfilledwithpracticalcodesamplesandengagingexamplesdemonstrateHaskellinpractice,andthentheconceptsbehindthecode.ThisbookshowsfunctionaldevelopersandanalystshowtoleveragetheirexistingknowledgeofHaskellspecificallyforhigh-qualitydataanalysis.Agoodunderstandingofdatasetsandfunctionalprogrammingisassumed. ...
However, the compiler does not always save the source code for all functions that it compile because there are downsides to storing source code for functions: this slows down compilation This slows down compilation both for the “upstream” module (the module defining the function we might want ...
which let us draw much more interesting stuff. The rest of this session was spent seeing what cool stuff we could draw with these 7 functions. Nick programmed some abstract art: Sam coded up a sheep: That ended the session, though the boys found some unsupervised time on the computer the...
When optimising, the ModDetails may also contain the definitions of functions, so that a function can be inlined at its call site in another module. When compiling a module, the HomePackageTable must con- tain information about all the modules on which the current module depends, directly or...
The reason why is that they are both special cases of a more general pattern. We can detect the pattern if we rewrite both of them to use thepureandliftA2functions fromControl.Applicative: import Control.Applicative (pure, liftA2) instance Monoid b => Monoid (a -> b) where ...
etorreborre/registry - Components as records of functions for Haskell tzemanovic/haskell-yesod-realworld-example-app - Exemplary real world application built with Haskell + Yesod statebox/cql - CQL: Categorical Query Language implementation in Haskell MondayMorningHaskell/haskellings - An automated tut...