risingwave_expr_impl::window_function::rank::private

Trait RankFuncCount

Source 
pub trait RankFuncCount: Default + EstimateSize {
    // Required method
    fn count(&mut self, curr_key: StateKey) -> i64;
}

Required Methods§

Source

fn count(&mut self, curr_key: StateKey) -> i64

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§