wait_until: Wait until a condition is met

In retry: Repeated Evaluation

Wait until a condition is met

Description

Block the current runtime until the expression returns TRUE.

Usage

wait_until(
  expr,
  envir = parent.frame(),
  timeout = Inf,
  interval = 0.1,
  later_run_now = TRUE
)

Arguments

expr	an expression to check, supports quasiquotation.
envir	the environment in which the expression is to be evaluated.
timeout	raise an error if this amount of time in second has passed.
interval	delay between retries.
later_run_now	execute later::run_now() periodically later is loaded?

Examples

s <- Sys.time()
system.time(wait_until(Sys.time() - s > 1))

z <- 0
later::later(function() z <<- 1, 1)
wait_until(z == 1)
z == 1

retry documentation built on May 29, 2024, 9:32 a.m.