Uses of Interface
edu.uky.cs.nil.tt.world.Expression

Packages that use Expression

Package	Description
edu.uky.cs.nil.tt.world	Story worlds define the objects, concepts, and actions that exist in a story, and story world models define the logic for when actions can happen, how actions change the current state of world, when endings happen, etc.

Uses of Expression in edu.uky.cs.nil.tt.world

Subinterfaces of Expression in edu.uky.cs.nil.tt.world

Modifier and Type	Interface	Description
interface	Value	A value is a logical expression which evaluates to itself.

Classes in edu.uky.cs.nil.tt.world that implement Expression

Modifier and Type	Class	Description
class	Constant	A constant is a logical value that always exists in all story worlds, such a the Boolean concepts of True and False, numbers, and so on.
final class	Entity	An entity is an asset that represents a character, object, place, or idea in a story world.
class	Proposition	A proposition is a logical expression that can be either true or false.
final class	Variable	A variable is a signed asset that represents a feature of the story world state that can change.

Fields in edu.uky.cs.nil.tt.world declared as Expression

Modifier and Type	Field	Description
final Expression	Effect.value	The value or expression whose value will be assigned to the variable

Methods in edu.uky.cs.nil.tt.world that return Expression

Modifier and Type	Method	Description
Expression	Expression.substitute(Function<Object,Object> substitution)

Methods in edu.uky.cs.nil.tt.world that return types with arguments of type Expression

Modifier and Type	Method	Description
List<Expression>	Proposition.getArguments()	Returns an unmodifiable list of this proposition's arguments, the other expressions that make up this proposition and which are considered when evaluating the truth value of this proposition.

Methods in edu.uky.cs.nil.tt.world with parameters of type Expression

Modifier and Type	Method	Description
protected abstract Value	Proposition.Operator.evaluate(Expression[] arguments, State state)	Evaluates the truth value of a proposition whose operator is this operator and whose arguments are the given arguments in a given state.
protected void	Proposition.Operator.validate(Expression[] arguments)	Checks whether this operator can be applied to the given arguments.

Constructors in edu.uky.cs.nil.tt.world with parameters of type Expression

Modifier	Constructor	Description
	Effect(Proposition condition, Variable variable, Expression value)	Constructs a new effect with a condition, variable, and value.
	Effect(Variable variable, Expression value)	Constructs a new effect with a variable and value and whose condition is null.
	Proposition(Proposition.Operator operator, Expression... arguments)	Constructs a new proposition from an operator and arguments.