error

render.rs:5:2: 6:1 error: type `gldevice::GLDevice` does not implement any method in scope named `init`
render.rs:5   device.init()
render.rs:6 }

gldevice.rs

pub trait Device {
  pub fn init(&self);
}

pub struct GLDevice;

impl GLDevice {
  pub fn new() -> GLDevice {
    GLDevice
  }
}

impl Device for GLDevice {
  pub fn init(&self) {
  }
}

render.rs

mod gldevice;

fn init() {
  let device = gldevice::GLDevice::new();
  device.init()
}