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package slices
import (
"sort"
"golang.org/x/exp/constraints"
"golang.org/x/exp/slices"
)
// Dedup removes duplicate values from slice.
// It will alter original non-empty slice, consider copy it beforehand.
func Dedup[E constraints.Ordered](s []E) []E {
if len(s) < 2 {
return s
}
slices.Sort(s)
tmp := s[:1]
cur := s[0]
for i := 1; i < len(s); i++ {
if s[i] != cur {
tmp = append(tmp, s[i])
cur = s[i]
}
}
return tmp
}
// DedupBools removes duplicate values from bool slice.
// It will alter original non-empty slice, consider copy it beforehand.
func DedupBools(a []bool) []bool {
if len(a) < 2 {
return a
}
sort.Slice(a, func(i, j int) bool { return a[i] != a[j] })
tmp := a[:1]
cur := a[0]
for i := 1; i < len(a); i++ {
if a[i] != cur {
tmp = append(tmp, a[i])
cur = a[i]
}
}
return tmp
}
// DedupStrings removes duplicate values from string slice.
// It will alter original non-empty slice, consider copy it beforehand.
// Deprecated: use Dedup instead.
var DedupStrings = Dedup[string]
// DedupInts removes duplicate values from ints slice.
// It will alter original non-empty slice, consider copy it beforehand.
// Deprecated: use Dedup instead.
var DedupInts = Dedup[int]
// DedupInt8s removes duplicate values from int8 slice.
// It will alter original non-empty slice, consider copy it beforehand.
// Deprecated: use Dedup instead.
var DedupInt8s = Dedup[int8]
// DedupInt16s removes duplicate values from int16 slice.
// It will alter original non-empty slice, consider copy it beforehand.
// Deprecated: use Dedup instead.
var DedupInt16s = Dedup[int16]
// DedupInt32s removes duplicate values from int32 slice.
// It will alter original non-empty slice, consider copy it beforehand.
// Deprecated: use Dedup instead.
var DedupInt32s = Dedup[int32]
// DedupInt64s removes duplicate values from int64 slice.
// It will alter original non-empty slice, consider copy it beforehand.
// Deprecated: use Dedup instead.
var DedupInt64s = Dedup[int64]
// DedupUints removes duplicate values from uint slice.
// It will alter original non-empty slice, consider copy it beforehand.
// Deprecated: use Dedup instead.
var DedupUints = Dedup[uint]
// DedupUint8s removes duplicate values from uint8 slice.
// It will alter original non-empty slice, consider copy it beforehand.
// Deprecated: use Dedup instead.
var DedupUint8s = Dedup[uint8]
// DedupUint16s removes duplicate values from uint16 slice.
// It will alter original non-empty slice, consider copy it beforehand.
// Deprecated: use Dedup instead.
var DedupUint16s = Dedup[uint16]
// DedupUint32s removes duplicate values from uint32 slice.
// It will alter original non-empty slice, consider copy it beforehand.
// Deprecated: use Dedup instead.
var DedupUint32s = Dedup[uint32]
// DedupUint64s removes duplicate values from uint64 slice.
// It will alter original non-empty slice, consider copy it beforehand.
// Deprecated: use Dedup instead.
var DedupUint64s = Dedup[uint64]
// DedupFloat32s removes duplicate values from float32 slice.
// It will alter original non-empty slice, consider copy it beforehand.
// Deprecated: use Dedup instead.
var DedupFloat32s = Dedup[float32]
// DedupFloat64s removes duplicate values from float64 slice.
// It will alter original non-empty slice, consider copy it beforehand.
// Deprecated: use Dedup instead.
var DedupFloat64s = Dedup[float64]
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