slices

package
v0.4.32 Latest Latest
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Published: Mar 12, 2024 License: Apache-2.0 Imports: 5 Imported by: 0

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Constants

This section is empty.

Variables

This section is empty.

Functions

func AnyFunc added in v0.4.5

func AnyFunc[S ~[]T, T any](s S, predicate func(val T) bool) bool

AnyFunc returns true if predicate(v) returns true for any value v in s.

func Concatenate added in v0.3.63

func Concatenate[S ~[]E, E any](s ...S) S

Concatenate returns a single slice created by concatenating the input slices.

func Fill added in v0.4.25

func Fill[T any](v T, n int) []T

Fill returns a slice T[] of length n with all elements equal to v.

func Filter added in v0.3.63

func Filter[S ~[]E, E any](s S, predicate func(e E) bool) S

func Flatten added in v0.3.50

func Flatten[S ~[]E, E any](s []S) S

Flatten merges a slice of slices into a single slice.

func GroupByFunc added in v0.3.50

func GroupByFunc[S ~[]E, E any, K comparable](s S, keyFunc func(E) K) map[K]S

GroupByFunc groups the elements e_1, ..., e_n of s into separate slices by keyFunc(e).

func GroupByFuncUnique added in v0.3.81

func GroupByFuncUnique[S ~[]E, E any, K comparable](s S, keyFunc func(E) K) map[K]E

GroupByFuncUnique returns a map keyFunc(e) to e for each element e in s.

func MapAndGroupByFuncs added in v0.3.50

func MapAndGroupByFuncs[S ~[]E, E any, K comparable, V any](s S, keyFunc func(E) K, mapFunc func(E) V) map[K][]V

MapAndGroupByFuncs groups the elements e_1, ..., e_n of s into separate slices by keyFunc(e) and then maps those resulting elements by mapFunc(e).

func Ones added in v0.4.25

func Ones[T interfaces.Number](n int) []T

Ones returns a slice T[] of length n with all elements equal to 1.

func Partition added in v0.3.50

func Partition[S ~[]E, E any](s S, n int) []S

Partition partitions the elements of s into n non-overlapping slices, such that some slices have len(s)/n+1 items and some len(s)/n items. Ordering is preserved, such that Flatten(Partition(s)) is equal to s.

func PartitionToMaxLen added in v0.3.50

func PartitionToMaxLen[S ~[]E, E any](s S, maxLen int) []S

PartitionToLen partitions the elements of s into non-overlapping slices, such that each such slice contains at most maxLen elements.

func Pop added in v0.3.81

func Pop[S ~[]E, E any](s *S) E

Pop removes the last item from s and returns it. Calling pop on an empty slice causes a panic.

func Repeat added in v0.3.90

func Repeat[T any](n int, vs ...T) []T

Repeat returns a slice []T of length n*len(vs) consisting of n copies of vs.

func Shuffle added in v0.3.63

func Shuffle[S ~[]E, E any](s ...S)

Shuffle shuffles s.

func Subtract added in v0.3.50

func Subtract[T comparable](list []T, toRemove []T) []T

func Unique added in v0.3.63

func Unique[S ~[]E, E comparable](s S) S

Unique returns a copy of s with duplicate elements removed, keeping only the first occurrence.

func Zeros added in v0.4.25

func Zeros[T any](n int) []T

Zeros returns a slice T[] of length n with all elements equal to zero.

Types

This section is empty.

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