Class Closure

java.lang.Object
  ValueBase
      FunctionBase
          Closure

All Implemented Interfaces:

Function, Value

public class Closure
extends FunctionBase

A Closure is a function defined by code being interpreted (either a function definition or a lambda expression), rather than being one of the built-in functions such as +.

Constructor Summary

Closure(java.lang.String parameter, Expression body, Environment env)
Creates a Closure with the specified components.

Method Summary

Value	apply(Value argument) Apply this function to a specified argument Value.
java.lang.String	toString()

Methods inherited from class ValueBase

as

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface Value

as

Constructor Detail

Closure

public Closure(java.lang.String parameter,
               Expression body,
               Environment env)

Creates a Closure with the specified components.

Parameters:

parameter - the name used in the function for its input

body - the expression evaluated when the function is used

env - the environment in which the function was created

Method Detail

apply

public Value apply(Value argument)

Description copied from interface: Function

Apply this function to a specified argument Value.

Parameters:

argument - the argument Value

Returns:

the result Value from the function application.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object