tests/future,lazy.R

source("incl/start.R")

message("*** Futures - lazy ...")

strategies <- c("callr")

for (strategy in strategies) {
  mprintf("- plan('%s') ...", strategy)
  plan(strategy)

  a <- 42
  f <- future(2 * a, lazy = TRUE)
  a <- 21
  v <- value(f)
  stopifnot(v == 84)

  a <- 42
  v %<-% { 2 * a } %lazy% TRUE
  a <- 21
  stopifnot(v == 84)

  mprintf("- plan('%s') ... DONE", strategy)
} ## for (strategy ...)

message("*** Futures - lazy ... DONE")

source("incl/end.R")

Try the future.callr package in your browser

Any scripts or data that you put into this service are public.

future.callr documentation built on May 4, 2018, 1:04 a.m.