Trait UseMemo

Source
pub trait UseMemo: Sealed {
    // Required method
    fn use_memo<F, D, T>(&mut self, f: F, deps: D) -> T
       where F: FnOnce() -> T,
             D: Hash,
             T: Clone + Send + Unpin + 'static;
}

Required Methods§

Source

fn use_memo<F, D, T>(&mut self, f: F, deps: D) -> T
where F: FnOnce() -> T, D: Hash, T: Clone + Send + Unpin + 'static,

依赖缓存,只有依赖变化时才重新计算,适合性能优化。

Dyn Compatibility§

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors§

Source§

impl UseMemo for Hooks<'_, '_>