Use recently stabilized intra-doc links

See RFC: https://github.com/rust-lang/rfcs/blob/master/text/1946-intra-rustdoc-links.md

wgpu/src/widget/button.rs

@@ -1,9 +1,6 @@
 //! Allow your users to perform actions by pressing a button.
 //!
 //! A [`Button`] has some local [`State`].
-//!
-//! [`Button`]: type.Button.html
-//! [`State`]: struct.State.html
 use crate::Renderer;
 
 pub use iced_graphics::button::{Style, StyleSheet};

wgpu/src/widget/canvas.rs

@@ -3,7 +3,4 @@
 //! A [`Canvas`] widget can be used to draw different kinds of 2D shapes in a
 //! [`Frame`]. It can be used for animation, data visualization, game graphics,
 //! and more!
-//!
-//! [`Canvas`]: struct.Canvas.html
-//! [`Frame`]: struct.Frame.html
 pub use iced_graphics::canvas::*;

wgpu/src/widget/pane_grid.rs

@@ -6,8 +6,7 @@
 //! The [`pane_grid` example] showcases how to use a [`PaneGrid`] with resizing,
 //! drag and drop, and hotkey support.
 //!
-//! [`pane_grid` example]: https://github.com/hecrj/iced/tree/0.1/examples/pane_grid
-//! [`PaneGrid`]: type.PaneGrid.html
+//! [`pane_grid` example]: https://github.com/hecrj/iced/tree/0.2/examples/pane_grid
 use crate::Renderer;
 
 pub use iced_native::pane_grid::{
@@ -24,13 +23,9 @@ pub use iced_native::pane_grid::{
 pub type PaneGrid<'a, Message> = iced_native::PaneGrid<'a, Message, Renderer>;
 
 /// The content of a [`Pane`].
-///
-/// [`Pane`]: struct.Pane.html
 pub type Content<'a, Message> =
     iced_native::pane_grid::Content<'a, Message, Renderer>;
 
 /// The title bar of a [`Pane`].
-///
-/// [`Pane`]: struct.Pane.html
 pub type TitleBar<'a, Message> =
     iced_native::pane_grid::TitleBar<'a, Message, Renderer>;

wgpu/src/widget/progress_bar.rs

@@ -2,8 +2,6 @@
 //!
 //! A [`ProgressBar`] has a range of possible values and a current value,
 //! as well as a length, height and style.
-//!
-//! [`ProgressBar`]: type.ProgressBar.html
 use crate::Renderer;
 
 pub use iced_graphics::progress_bar::{Style, StyleSheet};

wgpu/src/widget/slider.rs

@@ -1,9 +1,6 @@
 //! Display an interactive selector of a single value from a range of values.
 //!
 //! A [`Slider`] has some local [`State`].
-//!
-//! [`Slider`]: struct.Slider.html
-//! [`State`]: struct.State.html
 use crate::Renderer;
 
 pub use iced_graphics::slider::{Handle, HandleShape, Style, StyleSheet};

wgpu/src/widget/text_input.rs

@@ -1,9 +1,6 @@
 //! Display fields that can be filled with text.
 //!
 //! A [`TextInput`] has some local [`State`].
-//!
-//! [`TextInput`]: struct.TextInput.html
-//! [`State`]: struct.State.html
 use crate::Renderer;
 
 pub use iced_graphics::text_input::{Style, StyleSheet};