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## Package ix.util.lisp

List-processing utilities.

See:
Description

Interface Summary
Interpreter.Env | The context in which an expression is evaluated.
Interpreter.Function | An object that represents a function that can be applied to arguments.
LispInterpreter.Parser |
LispObject | Tagging interface for Lisp objects
LListCollector.adderFunction |

Class Summary
Cons | Non-empty lists.
ConsEnumeration | Cons enumerations.
DelimitedSymbol | Symbols that would not parse as symbols without escaping.
EqMap | A minimal HashMap-like mapping with == as the equality test.
Interpreter | The skeleton of a progamming language interpreter.
Interpreter.AbstractFunction | An implementation of Function that supplies some utility methods.
Interpreter.And | A conditional AND.
Interpreter.Assignment | An assignment to a variable.
Interpreter.Call | A function call.
Interpreter.Closure | An interpreted function.
Interpreter.Expr | The root class for expressions.
Interpreter.If | A simple conditional expression.
Interpreter.JFunction | A function implemented in Java.
Interpreter.Lambda | An expression whose value is a function closed in the environment in which this Lambda is evaluated.
Interpreter.Let | An expression that binds variables and then evaluates an expression in the resulting environment.
Interpreter.Literal | A reference to an object that is treated as a literal.
Interpreter.Or | A conditional OR.
Interpreter.Sequence | A sequence of expressions.
Interpreter.VarRef | A reference to a variable.
Interpreter.While | A while loop.
ItemVar | Symbols used in patterns as variables that match a single object.
Keyword | Keywords - symbols generally used as literals.
Lisp | The class for static Lisp utilities.
LispFileReader | A LispReader for files.
LispInterpreter | An interpreter for a simple dialect of Lisp.
LispProgramReader | A LispReader for reading Lisp source code.
LispReader | A LispReader can be used to read Objects using a Lisp-like syntax.
LispStreamTokenizer |
LispTokenizer | A class to be extended by tokenizers that read a Lisp-like syntax.
LList | Lisp-style lists.
LListCollector | A Collector that uses an LList to hold the elements and that provides a number of different ways to add elements.
LListEnumeration | List enumerations.
LListIterator | An implementation of Iterator for LLists.
LListListIterator | An implementation of ListIterator for LLists.
Null | The class of `Lisp.NIL`, and of nothing else.
NullEnumeration | Null enumerations.
NumberlikeSymbol | Symbols that could parse as numbers.
ObjectHash | Provides re-readable (within a JVM) names for objects.
Symbol | The root class for Lisp symbols.

Exception Summary
Interpreter.Error | The root class for exceptions thrown for error conditions detected by an Interpreter or by an expression.
LispInterpreter.SyntaxError |
LispReadException | The class of errors thrown by the Lisp reader.

## Package ix.util.lisp Description

List-processing utilities.

The list classes in this package were first implemented before the Java collection classes were defined, although they have now been brought into the collection framework. They have been retained because they offer some features that are not provided by any of the `java.util` package collections and because they are useful for processing data that has a Lisp-like syntax.

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