friendlysam.opt.Relation¶

class friendlysam.opt.Relation¶

Base class for binary relations.

See child classes:

Less LessEqual Eq

`Relation.create`(*args)	Classmethod to create a new object.
`Relation.evaluate`([replace, evaluators])	Evaluate the expression recursively.

`Relation.args`	This property holds the arguments of the operation.
`Relation.leaves`	The leaves of the expression tree.
`Relation.value`	The concrete value of the expression, if possible.
`Relation.variables`	This property gives all `leaves` which are instances of `Variable`.