1.53 class equal

Test for equality. Succeeds if both equal<-left and equal<-right are equal (compared by reference). The following example returns the first object called gnu in Chain:

get(Chain, find, @arg1?name == gnu, Gnu)

See also class \== and object->equal.

See also

- object->equal
- class \==
- topic Conditions
- object->is_on
- object->is_off
- object->has_value

1.53.1 Instance variables

equal <->left:

Operant. If it is a function object, it will be evaluated by equal->_execute.

equal <->right:

Inherits description from: ==-left

1.53.2 Send methods

equal ->_execute:

If either or both operant is a function, evaluate it. Next succeed if the references of both operants is the same.

equal ->initialise:

Create from equal<-left and equal<-right operant. Either or both may be a function, which is evaluated by equal->_execute.