Memoizing wrapper for lapply.

Source: R/VectorizeM.R

Memoizing wrapper for lapply.

lapplym(X, FUN, ...)

Arguments

X

list or vector of inputs
FUN

function to apply
...

additional arguments passed to lapply

Value

list of results.

See also

VectorizeM, vapplym, parLapplyLBm

Examples


fs <- function(x) { x <- x[[1]]; print(paste("see", x)); sin(x) }
# should only print "see" twice, not 6 times
lapplym(c(0, 1, 1, 0, 0, 1), fs)

#> [1] "see 0"
#> [1] "see 1"
#> [[1]]
#> [1] 0
#> 
#> [[2]]
#> [1] 0.841471
#> 
#> [[3]]
#> [1] 0.841471
#> 
#> [[4]]
#> [1] 0
#> 
#> [[5]]
#> [1] 0
#> 
#> [[6]]
#> [1] 0.841471
#>