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440 B

package correct
// finds the element and returns the first data from the node that is a string
func ListFind(l *List, ref interface{}, comp func(a, b interface{}) bool) *interface{} {
iterator := l.Head
for iterator != nil {
if comp(iterator.Data, ref) {
return &iterator.Data
}
iterator = iterator.Next
}
return nil
}
// defines for two elements the equality criteria
func CompStr(a, b interface{}) bool {
return a == b
}