Nothing
printf <- function(...) cat(sprintf(...))
hpaste <- listenv:::hpaste
# Some vectors
x <- 1:6
y <- 10:1
z <- LETTERS[x]
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# Abbreviation of output vector
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
printf("x = %s.\n", hpaste(x))
## x = 1, 2, 3, ..., 6.
printf("x = %s.\n", hpaste(x, max_head = 2))
## x = 1, 2, ..., 6.
printf("x = %s.\n", hpaste(x, max_head = 3)) # Default
## x = 1, 2, 3, ..., 6.
# It will never output 1, 2, 3, 4, ..., 6
printf("x = %s.\n", hpaste(x, max_head = 4))
## x = 1, 2, 3, 4, 5 and 6.
# Showing the tail
printf("x = %s.\n", hpaste(x, max_head = 1, max_tail = 2))
## x = 1, ..., 5, 6.
# Turning off abbreviation
printf("y = %s.\n", hpaste(y, max_head = Inf))
## y = 10, 9, 8, 7, 6, 5, 4, 3, 2, 1
## ...or simply
printf("y = %s.\n", paste(y, collapse = ", "))
## y = 10, 9, 8, 7, 6, 5, 4, 3, 2, 1
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# Adding a special separator before the last element
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# Change last separator
printf("x = %s.\n", hpaste(x, last_collapse = " and "))
## x = 1, 2, 3, 4, 5 and 6.
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