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package generic
import (
"reflect"
"sort"
)
// SortSliceByField sorts given slice of struct by passing the specified field to given compare function
// given slice must be a slice of Ptr
func SortSliceByField(list interface{}, field string, compare func(interface{}, interface{}) bool) {
listValue := reflect.ValueOf(list)
sort.SliceStable(list, func(i, j int) bool {
field1 := listValue.Index(i).Elem().FieldByName(field).Interface()
field2 := listValue.Index(j).Elem().FieldByName(field).Interface()
return compare(field1, field2)
})
}
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