Function rsvg::marker::emit_marker

fn emit_marker<E>(
    segment: &Segment,
    endpoint: MarkerEndpoint,
    marker_type: MarkerType,
    orient: Angle,
    emit_fn: &mut E
) -> Result<BoundingBox, InternalRenderingError>
where
    E: FnMut(MarkerType, f64, f64, Angle) -> Result<BoundingBox, InternalRenderingError>,