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utils_digest.R
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utils_digest.R
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vdigest32 <- digest::getVDigest(algo = "xxhash32")
vdigest64 <- digest::getVDigest(algo = "xxhash64")
vdigest64_file <- digest::getVDigest(algo = "xxhash64", errormode = "warn")
digest_chr32 <- function(object, ...) {
vdigest32(object, serialize = FALSE, ...)
}
digest_chr64 <- function(object, ...) {
vdigest64(object, serialize = FALSE, ...)
}
digest_file64 <- function(object, ...) {
vapply(
X = object,
FUN = vdigest64_file,
serialize = FALSE,
file = TRUE,
...,
FUN.VALUE = character(1L),
USE.NAMES = FALSE
)
}
digest_obj32 <- function(object, ...) {
vdigest32(list(object), serialize = TRUE, serializeVersion = 3L, ...)
}
digest_obj64 <- function(object, ...) {
vdigest64(list(object), serialize = TRUE, serializeVersion = 3L, ...)
}
produce_seed <- function(scalar) {
seed <- tar_options$get_seed()
if_any(
anyNA(seed),
NA_integer_,
digest::digest2int(as.character(scalar), seed = seed)
)
}
null64 <- digest_obj64(NULL)