Enum PlayableRef 

pub enum PlayableRef {
    Inline(Box<Music>),
    Symbol(Symbol),
}

Reference to the playable material a placement renders.

Variants

Inline(Box<Music>)

Inline music object owned by the placement.

Symbol(Symbol)

Named reference resolved by the host at render time.

Implementations

impl PlayableRef

pub fn inline(music: Music) -> Self

Builds an inline reference that owns the given music object.

pub fn symbol(symbol: Symbol) -> Self

Builds a symbolic reference resolved by the host at render time.

impl PlayableRef

pub fn to_expr(&self) -> Expr

Encodes the reference as a tagged playable-ref expression map.

pub fn from_expr(expr: &Expr) -> Result<Self>

Decodes the reference from a tagged playable-ref expression map.

Trait Implementations

impl Clone for PlayableRef

fn clone(&self) -> PlayableRef

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for PlayableRef

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Eq for PlayableRef

impl PartialEq for PlayableRef

fn eq(&self, other: &Self) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.