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use crate::storage::Handle;

use super::{
    Curve, Cycle, Face, HalfEdge, Region, Shell, Sketch, Solid, Surface, Vertex,
};

/// A trait implemented for all object types
///
/// This trait is implemented for both bare objects (`T`) and stored objects
/// (`Handle<T>`). The `BareObject` associated type provides access to the bare
/// object type.
///
/// This is a piece of infrastructure that is useful for other traits, which
/// would otherwise have to duplicate its functionality. Users are unlikely to
/// be affected by this trait.
pub trait IsObject {
    /// The type of the bare object
    type BareObject;
}

impl IsObject for Curve {
    type BareObject = Curve;
}

impl IsObject for Cycle {
    type BareObject = Cycle;
}

impl IsObject for Face {
    type BareObject = Face;
}

impl IsObject for HalfEdge {
    type BareObject = HalfEdge;
}

impl IsObject for Region {
    type BareObject = Region;
}

impl IsObject for Shell {
    type BareObject = Shell;
}

impl IsObject for Sketch {
    type BareObject = Sketch;
}

impl IsObject for Solid {
    type BareObject = Solid;
}

impl IsObject for Surface {
    type BareObject = Surface;
}

impl IsObject for Vertex {
    type BareObject = Vertex;
}

impl IsObject for Handle<Curve> {
    type BareObject = Curve;
}

impl IsObject for Handle<Cycle> {
    type BareObject = Cycle;
}

impl IsObject for Handle<Face> {
    type BareObject = Face;
}

impl IsObject for Handle<HalfEdge> {
    type BareObject = HalfEdge;
}

impl IsObject for Handle<Region> {
    type BareObject = Region;
}

impl IsObject for Handle<Shell> {
    type BareObject = Shell;
}

impl IsObject for Handle<Sketch> {
    type BareObject = Sketch;
}

impl IsObject for Handle<Solid> {
    type BareObject = Solid;
}

impl IsObject for Handle<Surface> {
    type BareObject = Surface;
}

impl IsObject for Handle<Vertex> {
    type BareObject = Vertex;
}