R Under development (unstable) (2023-11-08 r85496 ucrt) -- "Unsuffered Consequences"
Copyright (C) 2023 The R Foundation for Statistical Computing
Platform: x86_64-w64-mingw32/x64

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> ##
> ##  f i n d . R  tests
> ##
> 
> finds <- pracma::finds
> 
> v <- c(3, 2, 1, 1, 2, 3)
> identical(finds(v == 1), c(3L, 4L))
[1] TRUE
> v <- c(1, 0, 4, -3, 0, 0, 0, 8, 6)
> identical(finds(v), as.integer(c(1, 3, 4, 8, 9)))
[1] TRUE
> identical(finds(v > 2), c(3L, 8L, 9L))
[1] TRUE
> identical(finds(c()), integer(0))
[1] TRUE
> identical(finds(c(TRUE, FALSE, TRUE, FALSE, TRUE)), c(1L, 3L, 5L))
[1] TRUE
> 
> proc.time()
   user  system elapsed 
   0.14    0.01    0.15