Traverse
Related Docs:
object Traverse
| package scalaz
Transform fa using f, collecting all the Gs with ap.
Whether all As in fa yield true from p.
Whether all As in fa yield true from p.
all with monadic traversal.
all with monadic traversal.
Whether any As in fa yield true from p.
Whether any As in fa yield true from p.
any with monadic traversal.
any with monadic traversal.
Alias for map.
Alias for map.
Alias for psum.
The composition of Traverse F and Bitraverse G, [x, y]F[G[x, y]], is a Bitraverse
The composition of Foldable F and Bifoldable G, [x, y]F[G[x, y]], is a Bifoldable
The composition of Foldable F and Bifoldable G, [x, y]F[G[x, y]], is a Bifoldable
The composition of Functor F and Bifunctor G, [x, y]F[G[x, y]], is a Bifunctor
The composition of Functor F and Bifunctor G, [x, y]F[G[x, y]], is a Bifunctor
The composition of Traverses F and G, [x]F[G[x]], is a Traverse
The composition of Foldables F and G, [x]F[G[x]], is a Foldable
The composition of Foldables F and G, [x]F[G[x]], is a Foldable
The composition of Functors F and G, [x]F[G[x]], is a Functor
The composition of Functors F and G, [x]F[G[x]], is a Functor
Alias for length.
Alias for length.
O(n log n)
O(n log n)
O(n2)
O(n2)
Whether a is an element of fa.
Whether a is an element of fa.
Deforested alias for toStream(fa).isEmpty.
Deforested alias for toStream(fa).isEmpty.
The smallest and largest elements of fa or None if fa is empty
The smallest and largest elements of fa or None if fa is empty
The elements (amin, amax) of fa which yield the smallest and largest values of f(a), respectively, or None if fa is empty
The elements (amin, amax) of fa which yield the smallest and largest values of f(a), respectively, or None if fa is empty
The smallest and largest values of f(a) for each element a of fa , or None if fa is empty
The smallest and largest values of f(a) for each element a of fa , or None if fa is empty
map elements in a Foldable with a monadic function and return the first element that is mapped successfully
map elements in a Foldable with a monadic function and return the first element that is mapped successfully
Combine the elements of a structure using a monoid.
Combine the elements of a structure using a monoid.
Like fold but returning None if the foldable is empty and Some otherwise
Like fold but returning None if the foldable is empty and Some otherwise
Left-associative fold of a structure.
Left-associative, monadic fold of a structure.
Left-associative, monadic fold of a structure.
Map each element of the structure to a scalaz.Monoid, and combine the results.
Map each element of the structure to a scalaz.Monoid, and combine the results.
As foldMap but returning None if the foldable is empty and Some otherwise
As foldMap but returning None if the foldable is empty and Some otherwise
Specialization of foldRightM when B has a Monoid.
Specialization of foldRightM when B has a Monoid.
Right-associative fold of a structure.
Right-associative, monadic fold of a structure.
Right-associative, monadic fold of a structure.
Curried version of foldLeft
Curried version of foldLeft
Curried version of foldLeftM
Curried version of foldLeftM
Curried version of foldRight
Curried version of foldRight
Curried version of foldRightM
Curried version of foldRightM
Twin all As in fa.
Twin all As in fa.
Pair all As in fa with the result of function application.
Pair all As in fa with the result of function application.
The composition of Functor F and Contravariant G, [x]F[G[x]],
is contravariant.
The composition of Functor F and Contravariant G, [x]F[G[x]],
is contravariant.
the element at index i in a Some, or None if the given index falls outside of the range
the element at index i, or default if the given index falls outside of the range
Insert an A between every A, yielding the sum.
Insert an A between every A, yielding the sum.
Deforested alias for toStream(fa).size.
Deforested alias for toStream(fa).size.
Lift f into F.
Lift f into F.
Lift f into F and apply to F[A].
Lift apply(a), and apply the result to f.
Lift apply(a), and apply the result to f.
The greatest element of fa, or None if fa is empty.
The greatest element of fa, or None if fa is empty.
The element a of fa which yields the greatest value of f(a), or None if fa is empty.
The element a of fa which yields the greatest value of f(a), or None if fa is empty.
The greatest value of f(a) for each element a of fa, or None if fa is empty.
The greatest value of f(a) for each element a of fa, or None if fa is empty.
The smallest element of fa, or None if fa is empty.
The smallest element of fa, or None if fa is empty.
The element a of fa which yields the smallest value of f(a), or None if fa is empty.
The element a of fa which yields the smallest value of f(a), or None if fa is empty.
The smallest value of f(a) for each element a of fa, or None if fa is empty.
The smallest value of f(a) for each element a of fa, or None if fa is empty.
The product of Traverses F and G, [x](F[x], G[x]]), is a Traverse
The product of Foldables F and G, [x](F[x], G[x]]), is a Foldable
The product of Foldables F and G, [x](F[x], G[x]]), is a Foldable
The product of Functors F and G, [x](F[x], G[x]]), is a Functor
The product of Functors F and G, [x](F[x], G[x]]), is a Functor
The product of Traverse F and Traverse1 G, [x](F[x], G[x]]), is a Traverse1
The product of Foldable F and Foldable1 G, [x](F[x], G[x]]), is a Foldable1
The product of Foldable F and Foldable1 G, [x](F[x], G[x]]), is a Foldable1
Sum using a polymorphic monoid (PlusEmpty).
Map elements to G[B] and sum using a polymorphic monoid (PlusEmpty).
Selects groups of elements that satisfy p and discards others.
Selects groups of elements that satisfy p and discards others.
Traverse with the identity function.
sequence_ for Free.
sequence_ for Free. collapses into a single Free *
A version of sequence where a subsequent monadic join is applied to the inner result
Traverse with State.
sequence_ specialized to State *
sequence_ specialized to State *
A version of sequence that infers the nested type constructor.
Strict sequencing in an applicative functor M that ignores the value in fa.
Strict sequencing in an applicative functor M that ignores the value in fa.
Splits the elements into groups that produce the same result by a function f.
Splits the elements into groups that produce the same result by a function f.
Splits into groups of elements that are transitively dependant by a relation r.
Splits into groups of elements that are transitively dependant by a relation r.
Splits the elements into groups that alternatively satisfy and don't satisfy the predicate p.
Splits the elements into groups that alternatively satisfy and don't satisfy the predicate p.
Inject a to the left of Bs in f.
Inject a to the left of Bs in f.
Inject b to the right of As in f.
Inject b to the right of As in f.
Traverse fa with a Kleisli[G, S, B], internally using a Trampoline to avoid stack overflow.
A version of traverse where a subsequent monadic join is applied to the inner result.
Traverse with State.
Traverse fa with a State[S, G[B]], internally using a Trampoline to avoid stack overflow.
traverse_ specialized to State *
traverse_ specialized to State *
A version of traverse that infers the type constructor G.
A version of traverse_ that infers the type constructor M.
A version of traverse_ that infers the type constructor M.
Strict traversal in an applicative functor M that ignores the result of f.
Strict traversal in an applicative functor M that ignores the result of f.
Empty fa of meaningful pure values, preserving its
structure.
Empty fa of meaningful pure values, preserving its
structure.
Functors are covariant by nature, so we can treat an F[A] as
an F[B] if A is a subtype of B.
Functors are covariant by nature, so we can treat an F[A] as
an F[B] if A is a subtype of B.
Converts ma to a value of type F[B] using the provided functions f and g.
Converts ma to a value of type F[B] using the provided functions f and g.
Converts ma to a value of type F[B] using the provided bijection.
Converts ma to a value of type F[B] using the provided bijection.
Converts ma to a value of type F[B] using the provided isomorphism.
Converts ma to a value of type F[B] using the provided isomorphism.
(Since version 7.3.0) use psum
(Since version 7.3.0) use psum
Idiomatic traversal of a structure, as described in The Essence of the Iterator Pattern.
scalaz.Traverse.TraverseLaw