WithExpr
final
class WithExpr[T <: Txn[T], A, Repr <: ([~ <: Txn[~]] =>> Expr[~, A])](vrH: Source[T, Var[T, Repr[T]]], key: String, synth: Synth)(lift: Double => A)(implicit context: AuralContext[T], tpe: Type[A, Repr]) extends MkValueResponder[T]
class MkValueResponder[T]
trait SendReplyResponder
trait DynamicUser
trait Disposable[RT]
class Object
trait Matchable
class Any