Validates that all elements are negative. By default uses <= 0
(non-positive); set strict = TRUE for < 0.
See also
Other value checks:
require_between(),
require_one_of(),
require_positive(),
require_unique()
pkgdown/mathjax-config.html
Skip to contentsValidates that all elements are negative. By default uses <= 0
(non-positive); set strict = TRUE for < 0.
Other value checks:
require_between(),
require_one_of(),
require_positive(),
require_unique()