49 lines
850 B
Rust
49 lines
850 B
Rust
//! The standard library.
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mod align;
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mod boxed;
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mod color;
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mod font;
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mod page;
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mod spacing;
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pub use align::*;
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pub use boxed::*;
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pub use color::*;
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pub use font::*;
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pub use page::*;
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pub use spacing::*;
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use std::rc::Rc;
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use crate::compute::Scope;
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use crate::prelude::*;
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macro_rules! std {
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($($name:literal => $func:expr),* $(,)?) => {
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/// Create a scope with all standard library functions.
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pub fn _std() -> Scope {
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let mut std = Scope::new();
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$(std.insert($name, wrap!($func));)*
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std
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}
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};
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}
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macro_rules! wrap {
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($func:expr) => {
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Rc::new(|name, args, ctx| Box::pin($func(name, args, ctx)))
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};
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}
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std! {
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"align" => align,
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"box" => boxed,
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"font" => font,
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"h" => h,
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"page" => page,
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"pagebreak" => pagebreak,
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"rgb" => rgb,
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"v" => v,
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}
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