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package utils
import (
"fmt"
"reflect"
)
// AnySliceToInterfaceSlice takes a slice of type []T for any T and returns a slice of type []interface{} containing
// the same elements, somewhat like casting []T to []interface{}.
func AnySliceToInterfaceSlice(in interface{}) []interface{} {
v := reflect.ValueOf(in)
if v.Kind() != reflect.Slice {
panic(fmt.Errorf("AnySliceToInterfaceSlice() called on %T instead of a slice type", in))
}
out := make([]interface{}, v.Len())
for i := 0; i < v.Len(); i++ {
out[i] = v.Index(i).Interface()
}
return out
}
func SliceSubsets(in ...string) [][]string {
result := make([][]string, 0, 1<<len(in))
for bitset := 0; bitset < (1 << len(in)); bitset++ {
var subset []string
for i := 0; i < len(in); i++ {
if bitset&(1<<i) != 0 {
subset = append(subset, in[i])
}
}
result = append(result, subset)
}
return result
}
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