Require Negative Values

Validates that all elements are negative. By default uses <= 0 (non-positive); set strict = TRUE for < 0.

Usage

require_negative(restriction, strict = FALSE)

Arguments

restriction

a restriction object.

strict

logical; if TRUE, requires < 0. If FALSE (default), requires <= 0.

Value

The modified restriction object.

Details

Non-numeric input fails with a type error. NA elements are skipped; chain require_no_na() to reject them.

See also

Other value checks: require_between(), require_contains(), require_disjoint(), require_levels(), require_one_of(), require_positive(), require_set_equal(), require_unique()