Error with copy_to in glium

Hi, I've been programming with glium since a few days, and I have a error that I can't find any way to solve. My code:

pub fn indices_and_vertices(
        display: &glium::Display,
    ) -> (glium::VertexBuffer<Vertex>, glium::IndexBuffer<u32>) {
        let mut indices = glium::IndexBuffer::<u32>::empty(
        let mut vertices = glium::VertexBuffer::<Vertex>::empty(display, 0).unwrap();

        for shape in self.shapes {
            let (shape_vertices, shape_indices) = shape.indices_and_vertices(&display);
        (vertices, indices)

The error:

error[E0277]: the trait bound `BufferViewSlice<'_, [world::Vertex]>: From<glium::VertexBuffer<world::Vertex>>` is not satisfied
  --> src\
95 |             shape_vertices.copy_to(vertices);
   |                            ^^^^^^^ the trait `From<glium::VertexBuffer<world::Vertex>>` is not implemented for `BufferViewSlice<'_, [world::Vertex]>`
   = help: the following implementations were found:
             <BufferViewSlice<'a, T> as From<&'a Buffer<T>>>
             <BufferViewSlice<'a, T> as From<&'a glium::uniforms::UniformBuffer<T>>>
             <BufferViewSlice<'a, T> as From<&'a mut Buffer<T>>>
             <BufferViewSlice<'a, T> as From<BufferViewMutSlice<'a, T>>>
           and 6 others
   = note: required because of the requirements on the impl of `Into<BufferViewSlice<'_, [world::Vertex]>>` for `glium::VertexBuffer<world::Vertex>`

Thanks for taking the time to read my post :slight_smile:

Edit: I want to copy the shape_vertices Buffer into the vertices Buffer

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