Trait GroupTokenFuncExt 

pub trait GroupTokenFuncExt<T, Output>: Sized {
    // Required method
    fn release_on_return(self, token: T) -> impl FnOnce() -> Output + Send;
}

Extension trait for FnOnce to automatically release group tokens.

Required Methods

fn release_on_return(self, token: T) -> impl FnOnce() -> Output + Send

Releases the group token when the closure returns.

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

impl<T: GroupTokenType, Output, F: Send + FnOnce() -> Output> GroupTokenFuncExt<T, Output> for F