Funx.Predicate.Boolean (funx v0.8.7)

View Source

Predicate that checks if a value is a boolean (true or false).

Options

None required.

Examples

use Funx.Predicate

alias Funx.Predicate.Boolean

# Check if active is a boolean
pred do
  check :active, Boolean
end

# Combined with other predicates
pred do
  check :enabled, Boolean
  check :enabled, IsTrue
end