assert_logical <- function(x, name = deparse(substitute(x))) {
if (!is.logical(x)) {
stop(sprintf("'%s' must be a logical", name), call. = FALSE)
}
}
assert_numeric <- function(x, name = deparse(substitute(x))) {
if (!is.numeric(x)) {
stop(sprintf("'%s' must be a numeric", name), call. = FALSE)
}
}
assert_character <- function(x, name = deparse(substitute(x))) {
if (!is.character(x)) {
stop(sprintf("'%s' must be a character", name), call. = FALSE)
}
}
assert_scalar <- function(x, name = deparse(substitute(x))) {
if (length(x) != 1) {
stop(sprintf("'%s' must be a scalar", name), call. = FALSE)
}
}
assert_nonmissing <- function(x, name = deparse(substitute(x))) {
if (any(is.na(x))) {
stop(sprintf("'%s' must not be NA", name), call. = FALSE)
}
}
assert_scalar_positive_integer <- function(x, zero_ok = FALSE,
name = deparse(substitute(x))) {
assert_scalar(x, name)
assert_nonmissing(x, name)
assert_integer_like(x, name)
if (x < if (zero_ok) 0 else 1) {
stop(sprintf("'%s' must be a positive integer", name), call. = FALSE)
}
}
assert_integer_like <- function(x, name = deparse(substitute(x))) {
if (!isTRUE(all.equal(as.integer(x), x))) {
stop(sprintf("'%s' is not integer like", name))
}
}
assert_scalar_logical <- function(x, name = deparse(substitute(x))) {
assert_scalar(x, name)
assert_logical(x, name)
assert_nonmissing(x, name)
}
assert_scalar_numeric <- function(x, name = deparse(substitute(x))) {
assert_scalar(x, name)
assert_numeric(x, name)
assert_nonmissing(x, name)
}
assert_scalar_character <- function(x, name = deparse(substitute(x))) {
assert_scalar(x, name)
assert_character(x, name)
assert_nonmissing(x, name)
}
`%||%` <- function(a, b) { # nolint
if (is.null(a)) b else a
}
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