Re: standard for loop

Awesome! Thanks to all for the help.

Should I add this info to the Wiki somewhere? Just occurred to me . . .

Scott S.

On Nov 30, 2004, at 1:20 AM, Marc Hedlund wrote:

> Scott,
>
> In addition to the answers you've already gotten, I would also  
> recommend
> using closures where you would have used a for loop.  each() and
> eachWithIndex() replace most for loops in my scripts.
>
> Some examples follow...
>
> /**********************/
>
> stringList = [ "java", "perl", "python", "ruby", "c#", "cobol",
>                "groovy", "jython", "smalltalk", "prolog", "m", "yacc"  
> ];
>
> stringMap  = [ "Su" : "Sunday", "Mo" : "Monday", "Tu" : "Tuesday",
>                "We" : "Wednesday", "Th" : "Thursday", "Fr" : "Friday",
>                "Sa" : "Saturday" ];
>
> stringList.each() { print " ${it}" };  println "";
> // java perl python ruby c# cobol groovy jython smalltalk prolog m yacc
>
> stringMap.each() { key, value | println "${key} == ${value}" };
> // Su == Sunday
> // We == Wednesday
> // Mo == Monday
> // Sa == Saturday
> // Th == Thursday
> // Tu == Tuesday
> // Fr == Friday
>
> stringList.eachWithIndex() { obj, i | println " ${i}: ${obj}" };
> // 0: java
> // 1: perl
> // 2: python
> // 3: ruby
> // 4: c#
> // 5: cobol
> // 6: groovy
> // 7: jython
> // 8: smalltalk
> // 9: prolog
> // 10: m
> // 11: yacc
>
> stringMap.eachWithIndex() { obj, i | println " ${i}: ${obj}" };
> // 0: Su=Sunday
> // 1: We=Wednesday
> // 2: Mo=Monday
> // 3: Sa=Saturday
> // 4: Th=Thursday
> // 5: Tu=Tuesday
> // 6: Fr=Friday
>
>
>
> Marc Hedlund
> e: marc at precipice dot org
>
> On Tue, 30 Nov 2004, Scott Stirling wrote:
>
> > Hi,
> >
> > Is there a Groovy idiom (with a counter) to use instead of a standard
> > 'for' loop? I need to use the counter from the loop iterations.
> >
> > I get this exception when I code a standard 'for' loop (i.e., for (int
> > i =0; i < foo.size(); i++):
> >
> > Exception in thread "main" NOT YET IMPLEMENTED: standard for loop
> >          at
> > org.codehaus.groovy.syntax.parser.ASTBuilder.forStatement(ASTBuilder.j 
> > av
> > a:1026)
> >          at
> > org.codehaus.groovy.syntax.parser.ASTBuilder.statement(ASTBuilder.java 
> > :
> > 773)
> >          at
> > org.codehaus.groovy.syntax.parser.ASTBuilder.topLevelStatement(ASTBuil 
> > de
> > r.java:327)
> >          at
> > org.codehaus.groovy.syntax.parser.ASTBuilder.build(ASTBuilder.java: 
> > 198)
> >          at
> > org.codehaus.groovy.control.SourceUnit.convert(SourceUnit.java:339)
> >
> > Thank you,
> > Scott Stirling
> > Framingham, MA