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move Keywords to dizzle

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facile pop culture reference 2026-08-31 19:03:51 +03:00
parent 7f067b848f
commit 7c9816a07e
2 changed files with 1 additions and 82 deletions
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2
dizzle

@ -1 +1 @@
Subproject commit 0cd70c4d1ac7299cef32ee0d6a02a632e62d6af3 Subproject commit b6c1bb5f9400c28de1709df78c18e0d4d5618a15

81
src/lib.rs
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@ -1898,86 +1898,5 @@ pub trait AsMutOpt<T> { fn as_mut_opt (&mut self) -> Option<&mut T>; }
} }
} }
#[cfg(feature = "eval")] pub use self::eval::*;
#[cfg(feature = "eval")] mod eval {
use crate::*;
/// ```
/// # use ::tengri::{*, dizzle::*, ratatui::prelude::Color};
///
/// #[namespace(bool)]
/// #[namespace(u8)]
/// #[namespace(u16)]
/// #[namespace(Option<u16>)]
/// #[namespace(Color get_color)]
/// struct App;
///
/// fn get_color (state: &App, src: impl Language) -> Perhaps<Color> {
/// Ok(if let Some(color) = Tui::eval_color_expr(state, &src)? {
/// Some(color)
/// } else if let Some(sym) = src.word()? {
/// Some(match sym {
/// ":color/bg" => Color::Rgb(28, 32, 36),
/// ":color/fg" => Color::Rgb(98, 92, 96),
/// _ => return Err(format!("not a color: {sym}").into())
/// })
/// } else {
/// return Err(format!("not a color: {:?}", src.src()?).into())
/// })
/// }
///
/// impl Interpret<Tui, Option<XYWH<u16>>> for App {
/// fn interpret_expr <'a> (&'a self, to: &mut Tui, lang: &'a impl Language)
/// -> Usually<Option<XYWH<u16>>>
/// {
/// self.keyword(to, lang)
/// }
/// }
///
/// impl Keywords<Tui, XYWH<u16>> for App {
/// fn keywords () -> impl Iterator<Item = fn(&Self, &mut Tui, &str) -> Perhaps<XYWH<u16>>> {
/// [
/// kw_when, kw_either, kw_split, kw_align,
/// kw_exact, kw_min, kw_max, kw_push,
/// kw_tui_text, kw_tui_fg, kw_tui_bg
/// ].into_iter()
/// }
/// }
///
/// # fn main () -> tengri::Usually<()> {
/// let state = App;
/// let mut out = Tui::new(80, 25);
/// state.interpret_expr(&mut out, &"")?;
/// state.interpret_expr(&mut out, &"text Hello world!")?;
/// state.interpret_expr(&mut out, &"fg (g 0) (text Hello world!)")?;
/// state.interpret_expr(&mut out, &"bg (g 2) (text Hello world!)")?;
/// state.interpret_expr(&mut out, &"(bg (g 3) (fg (g 4) (text Hello world!)))")?;
/// # Ok(()) }
/// ```
pub trait Keywords <U, V>: 'static {
fn keywords <'a> () -> impl Iterator<Item = fn(&Self, &mut U, &str) -> PerhapsRef<'a, V>>;
fn keyword <'a> (&self, to: &mut U, expr: &'a (impl Language + ?Sized)) -> PerhapsRef<'a, V> {
if let Some(expr) = expr.src()? {
for keyword in Self::keywords() {
if let Some(result) = keyword(self, to, &expr)? {
return Ok(Some(result))
}
}
}
Ok(None)
}
}
#[macro_export] macro_rules! impl_keywords {
($T:ty, $U:ty, $V:ty [ $($kw:ident),* ]) => {
impl Keywords<$T, $U> for $V {
fn keywords <'a> () -> impl Iterator<Item = fn(&Self, &mut $T, &str) -> PerhapsRef<'a, $U>> {
[ $($kw),* ].into_iter()
}
}
}
}
}
#[cfg(feature = "term")] pub use self::term::*; #[cfg(feature = "term")] pub use self::term::*;
#[cfg(feature = "term")] mod term; #[cfg(feature = "term")] mod term;