Funx.Predicate.Negative (funx v0.8.4)

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Predicate that checks if a number is strictly negative (< 0).

Returns false for non-numbers.

Options

None required.

Examples

use Funx.Predicate

# Check if balance is negative
pred do
  check :balance, Negative
end

# Combined with other predicates
pred do
  check :adjustment, IsInteger
  check :adjustment, Negative
end