Struct singleflight::Group

pub struct Group<T>
where
    T: Clone + Debug,
{ /* private fields */ }

Group represents a class of work and creates a space in which units of work can be executed with duplicate suppression.

Implementations

impl<T> Group<T>

where T: Clone + Debug,

pub fn new() -> Group<T>

Create a new Group to do work with.

pub fn work<F>(&self, key: &str, func: F) -> T

where F: Fn() -> T,

Execute and return the value for a given function, making sure that only one operation is in-flight at a given moment. If a duplicate call comes in, that caller will wait until the original call completes and return the same value.

Trait Implementations

impl<T> Default for Group<T>

where T: Clone + Debug + Default,

fn default() -> Group<T>

Returns the “default value” for a type.