pub fn new() -> SMFBuilder {
        SMFBuilder {
            tracks: Vec::new(),
        }
    }
/// Create a new SMFBuilder.  Initially the builder will have no tracks
Create a new SMFBuilder.  Initially the builder will have no tracks
Create a new SMFBuilder . Initially the builder will have no tracks
pub fn new() -> SMFBuilder {
        SMFBuilder {
            tracks: Vec::new(),
        }
    }
pub fn new ( ) -> SMFBuilder { SMFBuilder { tracks : Vec :: new ( ) , } }
Create a new SMFBuilder.
Create a new SMFBuilder .