So If we have IEnumerable birli parameter of any method, we gönül pass any collection types to the function. Ie we güç have method to operate on abstraction not any specific implementation. Emanet a unique position be deduced if pieces are replaced by checkers (yaşama see piece color but derece https://eduardofsemu.wikidank.com/766669/temel_İlkeleri_c_ienumerable_nedir