Hoogle Search

Note that Stackage only displays results for the latest LTS and Nightly snapshot. Learn more.

iforMOf :: (Indexed i a (WrappedMonad m b) -> s -> WrappedMonad m t) -> s -> (i -> a -> m b) -> m t

diagrams-lib Diagrams.Prelude

Map each element of a structure targeted by a Lens to a monadic action, evaluate these actions from left to right, and collect the results, with access its position (and the arguments flipped).
```
forMOf l a ≡ iforMOf l a . const
iforMOf ≡ flip . imapMOf
```
```
iforMOf :: Monad m => IndexedLens i s t a b      -> s -> (i -> a -> m b) -> m t
iforMOf :: Monad m => IndexedTraversal i s t a b -> s -> (i -> a -> m b) -> m t
```

iforMOf_ :: Monad m => IndexedGetting i (Sequenced r m) s a -> s -> (i -> a -> m r) -> m ()

diagrams-lib	Diagrams.Prelude

Run monadic actions for each target of an IndexedFold or IndexedTraversal with access to the index, discarding the results (with the arguments flipped).

iforMOf_ ≡ flip . imapMOf_

When you don't need access to the index then forMOf_ is more flexible in what it accepts.

forMOf_ l a ≡ iforMOf l a . const

iforMOf_ :: Monad m => IndexedGetter i s a     -> s -> (i -> a -> m r) -> m ()
iforMOf_ :: Monad m => IndexedFold i s a       -> s -> (i -> a -> m r) -> m ()
iforMOf_ :: Monad m => IndexedLens' i s a      -> s -> (i -> a -> m r) -> m ()
iforMOf_ :: Monad m => IndexedTraversal' i s a -> s -> (i -> a -> m r) -> m ()

iforM_ :: (FoldableWithIndex i t, Monad m) => t a -> (i -> a -> m b) -> m ()

diagrams-lib Diagrams.Prelude

Run monadic actions for each target of an IndexedFold or IndexedTraversal with access to the index, discarding the results (with the arguments flipped).
```
iforM_ ≡ flip imapM_
```
When you don't need access to the index then forM_ is more flexible in what it accepts.
```
forM_ a ≡ iforM a . const
```

iforOf :: (Indexed i a (f b) -> s -> f t) -> s -> (i -> a -> f b) -> f t

diagrams-lib	Diagrams.Prelude

Traverse with an index (and the arguments flipped).

forOf l a ≡ iforOf l a . const
iforOf ≡ flip . itraverseOf

iforOf :: Functor f     => IndexedLens i s t a b       -> s -> (i -> a -> f b) -> f t
iforOf :: Applicative f => IndexedTraversal i s t a b  -> s -> (i -> a -> f b) -> f t
iforOf :: Apply f       => IndexedTraversal1 i s t a b -> s -> (i -> a -> f b) -> f t

iforOf_ :: Functor f => IndexedGetting i (Traversed r f) s a -> s -> (i -> a -> f r) -> f ()

diagrams-lib	Diagrams.Prelude

Traverse the targets of an IndexedFold or IndexedTraversal with access to the index, discarding the results (with the arguments flipped).

iforOf_ ≡ flip . itraverseOf_

When you don't need access to the index then forOf_ is more flexible in what it accepts.

forOf_ l a ≡ iforOf_ l a . const

iforOf_ :: Functor f     => IndexedGetter i s a     -> s -> (i -> a -> f r) -> f ()
iforOf_ :: Applicative f => IndexedFold i s a       -> s -> (i -> a -> f r) -> f ()
iforOf_ :: Functor f     => IndexedLens' i s a      -> s -> (i -> a -> f r) -> f ()
iforOf_ :: Applicative f => IndexedTraversal' i s a -> s -> (i -> a -> f r) -> f ()

ifor_ :: (FoldableWithIndex i t, Applicative f) => t a -> (i -> a -> f b) -> f ()

diagrams-lib Diagrams.Prelude

Traverse elements with access to the index i, discarding the results (with the arguments flipped).
```
ifor_ ≡ flip itraverse_
```
When you don't need access to the index then for_ is more flexible in what it accepts.
```
for_ a ≡ ifor_ a . const
```
lensRulesFor :: [(String, String)] -> LensRules

diagrams-lib Diagrams.Prelude

Construct a LensRules value for generating top-level definitions using the given map from field names to definition names.
makeClassyFor :: String -> String -> [(String, String)] -> Name -> DecsQ

diagrams-lib Diagrams.Prelude

Derive lenses and traversals, using a named wrapper class, and specifying explicit pairings of (fieldName, traversalName). Example usage:
```
makeClassyFor "HasFoo" "foo" [("_foo", "fooLens"), ("bar", "lbar")] ''Foo
```
makeLensesFor :: [(String, String)] -> Name -> DecsQ

diagrams-lib Diagrams.Prelude

Derive lenses and traversals, specifying explicit pairings of (fieldName, lensName). If you map multiple names to the same label, and it is present in the same constructor then this will generate a Traversal. e.g.
```
makeLensesFor [("_foo", "fooLens"), ("baz", "lbaz")] ''Foo
makeLensesFor [("_barX", "bar"), ("_barY", "bar")] ''Bar
```
transformM :: (Monad m, Plated a) => (a -> m a) -> a -> m a

diagrams-lib Diagrams.Prelude

Transform every element in the tree, in a bottom-up manner, monadically.

Page 552 of many | Previous | Next