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enable and patch up mod eval
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same mf who else 2026-03-28 14:44:11 +02:00
parent c0d8c5f1bb
commit a06ea2ac13
5 changed files with 67 additions and 58 deletions
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43
src/lib.rs
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@ -25,10 +25,10 @@ pub(crate) use ::{
#[cfg(feature = "lang")] pub extern crate dizzle as lang;
#[cfg(feature = "lang")] pub use ::dizzle::{self, Usually, Perhaps, impl_default};
#[cfg(feature = "lang")] pub mod eval;
#[cfg(feature = "time")] pub mod time;
#[cfg(feature = "play")] pub mod play;
#[cfg(feature = "play")] pub mod exit;
#[cfg(feature = "play")] pub mod task;
@ -39,6 +39,7 @@ pub(crate) use ::{
#[cfg(feature = "draw")] pub mod draw;
#[cfg(feature = "draw")] pub mod space;
#[cfg(feature = "draw")] pub mod color;
#[cfg(feature = "text")] pub mod text;
#[cfg(feature = "term")] pub mod term;
#[cfg(feature = "term")] pub mod keys;
@ -75,3 +76,43 @@ pub(crate) use ::{
}
};
);
/// Define an enum containing commands, and implement [Command] trait for over given `State`.
#[macro_export] macro_rules! def_command (
($Command:ident: |$state:ident: $State:ty| {
// FIXME: support attrs (docstrings)
$($Variant:ident$({$($arg:ident:$Arg:ty),+ $(,)?})?=>$body:expr),* $(,)?
})=>{
#[derive(Debug)] pub enum $Command {
// FIXME: support attrs (docstrings)
$($Variant $({ $($arg: $Arg),* })?),*
}
impl ::tengri::dizzle::Act<$State> for $Command {
fn act (&self, $state: &mut $State) -> Perhaps<Self> {
match self {
$(Self::$Variant $({ $($arg),* })? => $body,)*
_ => unimplemented!("Act<{}>: {self:?}", stringify!($State)),
}
}
}
});
/// Implement [Handle] for given `State` and `handler`.
#[macro_export] macro_rules! impl_handle {
//(|$self:ident:$State:ty,$input:ident|$handler:expr) => {
//impl<E: Engine> ::tengri::Handle<E> for $State {
//fn handle (&mut $self, $input: &E) -> Perhaps<E::Handled> {
//$handler
//}
//}
//};
($E:ty: |$self:ident:$State:ty,$input:ident|$handler:expr) => {
//impl ::tengri::Handle<$E> for $State {
//fn handle (&mut $self, $input: &$E) ->
//Perhaps<<$E as ::tengri::Input>::Handled>
//{
//$handler
//}
//}
}
}