purescript / purescript-either
Values with two possibilities
See what the GitHub community is most excited about today.
Values with two possibilities
Console based debugging functions
Math functions
Functions and bitwise operators for the Int numeric type
Utilities for working with partial functions
Existential types as a library
Classes for foldable and traversable data structures
Distributive typeclass
Operations for sequentially ordered types
Invariant functors
Functions for working with records and polymorphic labels
Type class and functions for working with newtypes
Contravariant functors
Functor products, coproducts, and composition
Exception effects
Tuple data type and utility functions
Types and kinds for basic type-level programming
Type equality constraints
Mutable value references
The ST effect, for safe local mutation
Monad and comonad transformers
A generic non-empty data structure
Optional values
Function combinators and types for multi-argument functions
Common control classes and utility functions