Files
Laniakea/slice.go

177 lines
2.9 KiB
Go

package laniakea
import "slices"
type Slice[T comparable] []T
func NewSliceFrom[T comparable](slice []T) Slice[T] {
s := make(Slice[T], len(slice))
copy(s, slice)
return s
}
func (s Slice[T]) Len() int {
return len(s)
}
func (s Slice[T]) Cap() int {
return cap(s)
}
func (s Slice[T]) Get(index int) T {
return s[index]
}
func (s Slice[T]) Last() T {
return s.Get(s.Len() - 1)
}
func (s Slice[T]) Index(el T) int {
return slices.Index(s, el)
}
// Swap is mutable func
func (s Slice[T]) Swap(i, j int) Slice[T] {
s[i], s[j] = s[j], s[i]
return s
}
func (s Slice[T]) Filter(f func(e T) bool) Slice[T] {
out := make(Slice[T], 0)
for _, v := range s {
if f(v) {
out = append(out, v)
}
}
return out
}
func (s Slice[T]) Map(f func(e T) T) Slice[T] {
out := make(Slice[T], s.Len())
for i, v := range s {
out[i] = f(v)
}
return out
}
func (s Slice[T]) Pop(index int) Slice[T] {
if index == 0 {
return s[1:]
}
out := make(Slice[T], s.Len()-index)
for i, e := range s {
if i == index {
continue
}
out[i] = e
}
return out
}
func (s Slice[T]) Remove(el T) Slice[T] {
index := s.Index(el)
if index == -1 {
return s
}
return s.Pop(index)
}
func (s Slice[T]) Push(e T) Slice[T] {
return append(s, e)
}
func (s Slice[T]) ToArray() []T {
out := make([]T, len(s))
copy(out, s)
return out
}
func (s Slice[T]) ToAnyArray() []any {
out := make([]any, len(s))
for i, v := range s {
out[i] = v
}
return out
}
// ForEach is mutable func
func (s Slice[T]) ForEach(f func(e T) T) Slice[T] {
for i, v := range s {
s[i] = f(v)
}
return s
}
type Set[T comparable] []T
func NewSetFrom[T comparable](slice []T) Set[T] {
s := make(Set[T], 0)
for _, v := range slice {
if s.Index(v) >= 0 {
continue
}
s = append(s, v)
}
return s
}
func (s Set[T]) Len() int {
return len(s)
}
func (s Set[T]) Cap() int {
return cap(s)
}
func (s Set[T]) Get(index int) T {
return s[index]
}
func (s Set[T]) Last() T {
return s[s.Len()-1]
}
func (s Set[T]) Index(el T) int {
return slices.Index(s, el)
}
func (s Set[T]) Swap(i, j int) {
s[i], s[j] = s[j], s[i]
}
func (s Set[T]) Add(v T) Set[T] {
index := s.Index(v)
if index >= 0 {
return s
}
return append(s, v)
}
func (s Set[T]) Pop(index int) Set[T] {
if index == 0 {
return s[1:]
}
out := make(Set[T], s.Len()-index)
for i, e := range s {
if i == index {
continue
}
out[i] = e
}
return out
}
func (s Set[T]) Remove(el T) Set[T] {
index := s.Index(el)
if index == -1 {
return s
}
return s.Pop(index)
}
func (s Set[T]) Filter(f func(e T) bool) Set[T] {
out := make(Set[T], 0)
for _, v := range s {
if f(v) {
out = append(out, v)
}
}
return out
}
func (s Set[T]) ToSlice() Slice[T] {
out := make(Slice[T], s.Len())
copy(out, s)
return out
}
func (s Set[T]) ToArray() []T {
out := make([]T, len(s))
copy(out, s)
return out
}
func (s Set[T]) ToAnyArray() []any {
out := make([]any, len(s))
for i, v := range s {
out[i] = v
}
return out
}