User:Underscore/Scratchpad: Difference between revisions

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===Features to add once Rakudo implements them===
<ul>
<li> [[100 doors#Perl 6|100 doors]] (and possibly elsewhere): There's gotta be a better way to say <code>@squares[1 .. @squares.end]</code>, possibly using <code>Whatever</code> or a negative number in the subscript. Maybe I should just lobby for the inclusion of Haskell's <code>tail</code> in the setting library.
<li> [[Comments]]: Nested bracketing characters. </li>
<li> [[CreatingArithmetic aEvaluator#Perl Function6|Arithmetic Evaluator]]:<ul>
<li> Use <code>make</code> to create a much more digestible parse tree.
<li> <code>my grammar</code>. I'm not certain you're supposed to be able to do that, but I think so.</ul></li>
<li> [[Comments#Perl 6|Comments]]: Nested bracketing characters. </li>
<li> [[Creating a Function#Perl 6|Creating a Function]]:<ul>
<li>Not quite the same thing (see [http://perlcabal.org/syn/S02.html#Return_types Synopsis 2]):
<lang perl6>sub multiply (Int $a, Int $b) as Int { $a * $b }</lang></li>
<li> <code>&multiply := [*];</code></li>
<li> <code>&multiply := &infix<*>;</code></li></ul></li>
<li> [[Monty Hall simulation#Perl 6|Monty Hall simulation]]:<ul>
<li> <code>:delete</code> adverb.</li>
<li> More trials.</li></ul></li>
<li> [[Trigonometric Functions#Perl 6|Trigonometric Functions]]: The base-switching interface specified in <code>Numeric.pod</code>.
<li> [[True/False Values]]: <code>0 but True</code>. </li>
</ul>
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