Boolean

and

Signature

(b Bool) (a Bool) | and | (a && b Bool)

Example

true false and => false

Boolean AND.

contains?, has?

Signature

(a Bool) | contains? | (!a Bool)

Example

true contains? => false

Boolean NOT.

eq?, equal?

Signature

(a Bool) | eq? | (!a Bool)

Example

true eq? => false

Boolean NOT.

not

Signature

(a Bool) | not | (!a Bool)

Example

true not => false

Boolean NOT.

not-equal?, not-eq?

Signature

(a Bool) | not-equal? | (!a Bool)

Example

true not-equal? => false

Boolean NOT.

or

Signature

(b Bool) (a Bool) | or | (a || b Bool)

Example

true false or => true

Boolean OR.

xor

Signature

(b Bool) (a Bool) | xor | (a != b Bool)

Example

true true xor => false

Boolean XOR.