vlapply <- function(X, FUN, ...) {
vapply(X, FUN, logical(1), ...)
}
viapply <- function(X, FUN, ...) {
vapply(X, FUN, integer(1), ...)
}
vnapply <- function(X, FUN, ...) {
vapply(X, FUN, numeric(1), ...)
}
vcapply <- function(X, FUN, ...) {
vapply(X, FUN, character(1), ...)
}
pastec <- function(...) {
paste(..., collapse=", ")
}
split_genus <- function(str) {
str_split <- strsplit(str, "[_ ]+")
vcapply(str_split, "[[", 1L)
}
last <- function(x) {
x[[length(x)]]
}
is_version <- function(version) {
!inherits(try(numeric_version(version), silent=TRUE), "try-error")
}
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