unspeaker/tengri
1
0
Fork 0
mirror of https://codeberg.org/unspeaker/tengri.git synced 2025-12-07 12:16:44 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

tabula rasa

Browse source
This commit is contained in:
🪞👃🪞 2025-03-02 14:31:04 +02:00
commit 47b3413d7d
76 changed files with 7000 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

50
output/src/thunk.rs Normal file
View file

@ -0,0 +1,50 @@
use crate::*;
use std::marker::PhantomData;
/// Lazily-evaluated [Render]able.
pub struct Thunk<E: Output, T: Render<E>, F: Fn()->T + Send + Sync>(PhantomData<E>, F);
impl<E: Output, T: Render<E>, F: Fn()->T + Send + Sync> Thunk<E, T, F> {
pub fn new (thunk: F) -> Self {
Self(Default::default(), thunk)
}
}
impl<E: Output, T: Render<E>, F: Fn()->T + Send + Sync> Content<E> for Thunk<E, T, F> {
fn content (&self) -> impl Render<E> { (self.1)() }
}
pub struct ThunkBox<'a, E: Output>(PhantomData<E>, Box<dyn Fn()->RenderBox<'a, E> + Send + Sync + 'a>);
impl<'a, E: Output> ThunkBox<'a, E> {
pub fn new (thunk: Box<dyn Fn()->RenderBox<'a, E> + Send + Sync + 'a>) -> Self {
Self(Default::default(), thunk)
}
}
impl<'a, E: Output> Content<E> for ThunkBox<'a, E> {
fn content (&self) -> impl Render<E> { (self.1)() }
}
impl<'a, E: Output, F: Fn()->T + Send + Sync + 'a, T: Render<E> + Send + Sync + 'a> From<F> for ThunkBox<'a, E> {
fn from (f: F) -> Self {
Self(Default::default(), Box::new(move||f().boxed()))
}
}
//impl<'a, E: Output, F: Fn()->Box<dyn Render<E> + 'a> + Send + Sync + 'a> From<F> for ThunkBox<'a, E> {
//fn from (f: F) -> Self {
//Self(Default::default(), Box::new(f))
//}
//}
pub struct ThunkRender<E: Output, F: Fn(&mut E) + Send + Sync>(PhantomData<E>, F);
impl<E: Output, F: Fn(&mut E) + Send + Sync> ThunkRender<E, F> {
pub fn new (render: F) -> Self { Self(Default::default(), render) }
}
impl<E: Output, F: Fn(&mut E) + Send + Sync> Content<E> for ThunkRender<E, F> {
fn render (&self, to: &mut E) { (self.1)(to) }
}
pub struct ThunkLayout<E: Output, F1: Fn(E::Area)->E::Area + Send + Sync, F2: Fn(&mut E) + Send + Sync>(PhantomData<E>, F1, F2);
impl<E: Output, F1: Fn(E::Area)->E::Area + Send + Sync, F2: Fn(&mut E) + Send + Sync> ThunkLayout<E, F1, F2> {
pub fn new (layout: F1, render: F2) -> Self { Self(Default::default(), layout, render) }
}
impl<E: Output, F1: Fn(E::Area)->E::Area + Send + Sync, F2: Fn(&mut E) + Send + Sync> Content<E> for ThunkLayout<E, F1, F2> {
fn layout (&self, to: E::Area) -> E::Area { (self.1)(to) }
fn render (&self, to: &mut E) { (self.2)(to) }
}