Re: standard for loop

 for(x : y){}  is the new syntax from jdk 5.0  , i guess groovy will
support this in next version... btw, i think for(x in y) is better,
for(x:y) seems strange...


On Tue, 30 Nov 2004 08:33:06 -0500, Scott Stirling
<scottstirling-KealBaEQdz4@xxxxxxxxxxxxxxxx> wrote:
> 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
> >>
> >
> 
>