try_again: Try evaluating an expressing multiple times until it...

In r-lib/testthat: Unit Testing for R

Try evaluating an expressing multiple times until it succeeds.

Description

Try evaluating an expressing multiple times until it succeeds.

Usage

try_again(times, code)

Arguments

times	Maximum number of attempts.
code	Code to evaluate

Examples

third_try <- local({
  i <- 3
  function() {
    i <<- i - 1
    if (i > 0) fail(paste0("i is ", i))
  }
})
try_again(3, third_try())

r-lib/testthat documentation built on Feb. 18, 2024, 8:59 p.m.