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utils: add cast_* methods to allow more type-safe casting

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Relying on just `as_any` was error prone and will become redundant in
the future, once upcasting will be stable, we also won't to impose a
restriction on to which concrete type we're casting, since casting
to a type that doesn't implement a base trait doesn't make much
sense.

Co-authored-by: Kirill Chibisov <contact@kchibisov.com>
This commit is contained in:
Mads Marquart 2025-03-11 14:35:25 +01:00 • committed by GitHub
parent 5cada36ae8
commit 16d5f46db1
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19 changed files with 158 additions and 136 deletions
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6
src/window.rs
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@ -12,7 +12,7 @@ use crate::error::RequestError;
pub use crate::icon::{BadIcon, Icon};
use crate::monitor::{Fullscreen, MonitorHandle};
use crate::platform_impl::PlatformSpecificWindowAttributes;
use crate::utils::AsAny;
use crate::utils::{impl_dyn_casting, AsAny};
/// Identifier of a window. Unique for each window.
///
@ -1335,7 +1335,7 @@ pub trait Window: AsAny + Send + Sync + fmt::Debug {
fn rwh_06_window_handle(&self) -> &dyn rwh_06::HasWindowHandle;
}
impl dyn Window {
impl dyn Window + '_ {
/// Create a new [`WindowAttributes`] which allows modifying the window's attributes before
/// creation.
pub fn default_attributes() -> WindowAttributes {
@ -1343,6 +1343,8 @@ impl dyn Window {
}
}
impl_dyn_casting!(Window);
impl PartialEq for dyn Window + '_ {
fn eq(&self, other: &dyn Window) -> bool {
self.id().eq(&other.id())