Safe Haskell | Safe |
---|---|

Language | Haskell2010 |

assorted functionality, imported by most modules in this package.

- failed :: MonadThrow m => String -> m a
- module Data.Data
- module GHC.Generics
- (<>) :: Monoid m => m -> m -> m
- traverse_ :: (Foldable t, Applicative f) => (a -> f b) -> t a -> f ()

# Documentation

module Data.Data

module GHC.Generics

traverse_ :: (Foldable t, Applicative f) => (a -> f b) -> t a -> f ()

Map each element of a structure to an action, evaluate these
actions from left to right, and ignore the results. For a version
that doesn't ignore the results see `traverse`

.