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From: Jeff Higgins <jeff@invalid.invalid>
Newsgroups: comp.lang.java.programmer
Subject: Re: The Grand Canyon
Date: Mon, 08 Dec 2014 01:21:21 -0500
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On 12/07/2014 06:59 PM, Stefan Ram wrote:
>    Today, I saw the Grand Canyon!
>
>    Say, you want to count the even numbers of a list.
>    Well, that's easy, you just ...
>
>
> public class Main
> { public static void main( final java.lang.String args[] )
>    { final java.util.List< java.lang.Integer >list = java.util.Arrays.asList( 1, 2, 3, 4 );
>      java.lang.System.out.println( list.stream().filter( i -> 0 == i % 2 ).count() ); }}
>
>    Now, say, you want to count the vowel letters in a string.
>
> public class Main
> { public static void main( final java.lang.String args[] )
>    { final java.lang.String s = "alpha";
>      ... x = ... s ... ;
>      java.lang.System.out.println( x.stream().filter( ch -> "aeiou".contains( ch )).count() ); }}
>
>    Can you fill in something for »...« to bridge the gap between
>    the string and the filter counter? (The output should be »2«.)
>
>    You can't.
>
>    So, this is not just a gap, it's a canyon.
>
>    The Grand Canyon of Java programming!
>
So, after much study, I conclude you will:
For each language, and dialect of that language;
Construct a word->IPA transcription dictionary:
Split the string into words:
Map the words to their IPA transcription:
Filter the vowels from the transcriptions:
Reduce to a vowel count.
Voilà! vwäˈlä