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reducer

package

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Versions in this module

v1

v1.3.0

Nov 25, 2022

v1.2.0

Jul 28, 2022

v1.1.0

Jul 10, 2022

v1.0.0

Jul 10, 2022

Changes in this version

+ func Apply(s iterable.Iterable[A], reducer Reducer[A, B]) B

+ func ApplySlice(s []A, reducer Reducer[A, B]) B

+ type Number interface

+ type Reducer func() ReducerInstance[A, B]

+ func Average() Reducer[N, float64]

+ func Constant(value T) Reducer[S, T]

+ func Count() Reducer[A, int]

+ func Distinct(r Reducer[A, B]) Reducer[A, B]

+ func DistinctBy(key func(A) C, r Reducer[A, B]) Reducer[A, B]

+ func Do(f func(A)) Reducer[A, struct{}]

+ func DoErr(f func(A) error) Reducer[A, error]

+ func Exists(cond func(T) bool) Reducer[T, bool]

+ func Filter(cond func(A) bool, r Reducer[A, B]) Reducer[A, B]

+ func First() Reducer[A, A]

+ func FlatMap(f func(A) iterable.Iterable[B], r Reducer[B, C]) Reducer[A, C]

+ func Forall(cond func(T) bool) Reducer[T, bool]

+ func GroupBy(key func(A) K, valReduce Reducer[A, V]) Reducer[A, map[K]V]

+ func GroupByCollect(key func(V) K) Reducer[V, map[K][]V]

+ func Limit(n int, next Reducer[A, B]) Reducer[A, B]

+ func Map(f func(A) B, r Reducer[B, C]) Reducer[A, C]

+ func Max() Reducer[N, N]

+ func Min() Reducer[N, N]

+ func Product() Reducer[N, N]

+ func Reduce(start B, combine func(B, A) B) Reducer[A, B]

+ func Reduce0(combine func(A, A) A) Reducer[A, A]

+ func Skip(n int, next Reducer[A, B]) Reducer[A, B]

+ func Sorted(cmp func(A, A) bool, next Reducer[A, B]) Reducer[A, B]

+ func Sum() Reducer[N, N]

+ func ToMap(key func(T) K, value func(T) V) Reducer[T, map[K]V]

+ func ToMapId(key func(V) K) Reducer[V, map[K]V]

+ func ToSet() Reducer[T, map[T]bool]

+ func ToSlice() Reducer[A, []A]

+ func (r Reducer[A, B]) Apply(i iterable.Iterable[A]) B

+ func (r Reducer[A, B]) ApplyIterator(it iterable.Iterator[A]) B

+ func (r Reducer[A, B]) ApplySlice(as []A) B

+ type ReducerInstance struct

+ Complete func() B

+ Step func(A) bool