op +=

+=

Defined in

• 5.2 Precedence and associativity — Precedence and associativity
• 5.3 Overloading and user-defined operators — Overloading built-in operators — op declarations in impl
• 1.6 Operators and delimiters — + - * / % ** +% -% % +| -| | & | ^ ~ << >> && || !
• 5.1 General rules — Almost everything is an expression
• 8.7 Channels and select — tx.send(x) suspends when the buffer is full; cap

Examples

let (tx, rx) = chan<Job>(cap: JOB_QUEUE)

select {
  recv job from rx  => process(job)
  send r to results => sent += 1
  after IDLE_TIMEOUT => log.info("idle")
  else              => tick()          // non-blocking variant
}

— 8.7 Channels and select

Related diagnostics

chained-comparison, not-callable, not-overloadable, operator-decl, range-not-iterable, invalid-char, not-assignable