WIP: local state

kmicklas · Jun 11, 2024 · ab78aa2 · ab78aa2
1 parent 7cc7a3e
commit ab78aa2
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diff --git a/ravel/src/lib.rs b/ravel/src/lib.rs
@@ -7,6 +7,10 @@ use std::{marker::PhantomData, mem::MaybeUninit};
 
 use paste::paste;
 
+mod state;
+
+pub use state::*;
+
 /// A dummy type which typically represents a "backend".
 pub trait CxRep {
     type BuildCx<'a>: Copy;

diff --git a/ravel/src/state.rs b/ravel/src/state.rs
@@ -0,0 +1,15 @@
+use std::cell::RefCell;
+
+use crate::Token;
+
+pub struct WithState<T, Init, Build> {}
+
+pub fn with_state<T, Init, Build, S>(
+    init: Init,
+    build: Build,
+) -> WithState<T, Init, Build>
+where
+    Init: FnOnce() -> T,
+    Build: FnOnce(&RefCell<T>) -> Token<S>,
+{
+}