Struct ConnectionGuard

pub struct ConnectionGuard { /* private fields */ }

Limits the number of connections.

Implementations

impl ConnectionGuard

pub fn new(limit: usize) -> Self

Create a new connection guard.

pub fn try_acquire(&self) -> Option<ConnectionPermit>

Acquire a connection permit.

pub fn available_connections(&self) -> usize

Get the number of available connection slots.

pub fn max_connections(&self) -> usize

Get the maximum number of connections.

Trait Implementations

impl Clone for ConnectionGuard

fn clone(&self) -> ConnectionGuard

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ConnectionGuard

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.