这是由 Android 团队开发的为期四天的 Rust 课程。课程涵盖基本语法到泛型等高级主题和错误处理。它还包括最后一天的Android特定内容。
课程的目标是教你用 Rust。我们假设你不了解 Rust
在第 4 天,我们将介绍特定于 Android 的内容,例如
ReadMore: https://google.github.io/comprehensive-rust/
例子:
use glam::{Vec3, Vec4, vec2, vec3};
#[spirv(fragment)]
pub fn main(
#[spirv(frag_coord)] in_frag_coord: &Vec4,
#[spirv(push_constant)] constants: &ShaderConstants,
output: &mut Vec4,
) {
let frag_coord = vec2(in_frag_coord.x, in_frag_coord.y);
let mut uv = (frag_coord - 0.5 * vec2(constants.width as f32, constants.height as f32))
/ constants.height as f32;
uv.y = -uv.y;
let eye_pos = vec3(0.0, 0.0997, 0.2);
let sun_pos = vec3(0.0, 75.0, -1000.0);
let dir = get_ray_dir(uv, eye_pos, sun_pos);
// evaluate Preetham sky model
let color = sky(dir, sun_pos);
*output = tonemap(color).extend(1.0)
}
ReadMore:https://github.com/EmbarkStudios/rust-gpu/
use tabled::{Tabled, Table};
#[derive(Tabled)]
struct Language {
name: &'static str,
designed_by: &'static str,
invented_year: usize,
}
let languages = vec![
Language{
name: "C",
designed_by: "Dennis Ritchie",
invented_year: 1972
},
Language{
name: "Rust",
designed_by: "Graydon Hoare",
invented_year: 2010
},
Language{
name: "Go",
designed_by: "Rob Pike",
invented_year: 2009
},
];
let table = Table::new(languages).to_string();
let expected = "+------+----------------+---------------+\n\
| name | designed_by | invented_year |\n\
+------+----------------+---------------+\n\
| C | Dennis Ritchie | 1972 |\n\
+------+----------------+---------------+\n\
| Rust | Graydon Hoare | 2010 |\n\
+------+----------------+---------------+\n\
| Go | Rob Pike | 2009 |\n\
+------+----------------+---------------+";
assert_eq!(table, expected);
ReadMore: https://google.github.io/comprehensive-rust/
一系列的练习去学习Rust宏。
Github: https://github.com/tfpk/macrokata