Package gnu.mapping

Interface ArgList

All Known Implementing Classes:

ArgListImpl, ArgListPair, ArgListVector, CallContext

public interface ArgList

Method Summary

Modifier and Type	Method	Description
int	findKeyword(String key)	Find index for keyword.
int	firstKeyword()
Object	getArgAsObject(int i)	Index into arguments, not counting keywords.
String	getKeyword(int index)	Get keyword (as an interned String) for given argument.
int	numArguments()	Number of actual arguments.
int	numKeywords()

Method Details

numArguments

int numArguments()

Number of actual arguments. Each (keyword,argument)-pair counts as one (not two).

getArgAsObject

Object getArgAsObject(int i)

Index into arguments, not counting keywords. I.e. for [a b k1: c k2: d e] the index 0 returns a, 2 returns c, 3 returns d, 4 returns e.

numKeywords

int numKeywords()

firstKeyword

int firstKeyword()

getKeyword

String getKeyword(int index)

Get keyword (as an interned String) for given argument. Indexing is the same as getArgAsObject. Return null for non-keyword arguments.

findKeyword

int findKeyword(String key)

Find index for keyword.

Parameters:

key - an interned string