melrōse musical expression player

package core import ( "fmt" ) // Nexter is an empty Sequence that has a sideeffect to call Value().Next() on its target when asked for the Sequence. type Nexter struct { Target HasValue } // S is part of Sequenceable func (n Nexter) S() Sequence { v := n.Target.Value() if t, ok := v.(Nextable); ok { t.Next() } return EmptySequence } // Storex is part of Storable func (n Nexter) Storex() string { if st, ok := n.Target.(Storable); ok { return fmt.Sprintf("next(%s)", st.Storex()) } return "" }