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- using System.Collections.Generic;
- using System.Linq;
- using WpfApp3.Class;
- namespace WpfApp2
- {
- class InstrumentFilter
- {
- public List<MusicalInstrument> FilterByType(List<MusicalInstrument> instruments, string type)
- {
- return instruments.Where(i => i.Type == type).ToList();
- }
- public List<MusicalInstrument> FilterAll(List<MusicalInstrument> instruments)
- {
- return instruments;
- }
- }
- }
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