pub fn layers(&self) -> Vec<&Layer> {
        self.render_order
            .iter()
            .map(|handle| self.layers.get(handle).unwrap())
            .collect::<Vec<&Layer>>()
    }
/// Return the set of all layer references in their render order.
Return the set of all layer references in their render order.
Return the set of all layer references in their render order .
pub fn layers(&self) -> Vec<&Layer> {
        self.render_order
            .iter()
            .map(|handle| self.layers.get(handle).unwrap())
            .collect::<Vec<&Layer>>()
    }
pub fn layers ( & self ) -> Vec < & Layer > { self . render_order . iter ( ) . map ( | handle | self . layers . get ( handle ) . unwrap ( ) ) . collect :: < Vec < & Layer > > ( ) }
Return the set of all layer references in their render order.
Return the set of all layer references in their render order .
&self