BTF Measurements

Allen Wirfs-Brock allen at wirfs-brock.com
Tue Mar 13 20:12:15 PDT 2012


Function expressions in object literals that could use concise method syntax?


Rick Waldron <waldron.rick at gmail.com> wrote:

>Kevin,
>
>Over the weekend I applied David Herman's new tri-lambda syntax to
>Popcorn.js to see how it would look and feel:
>
>https://github.com/rwldrn/popcorn-js/compare/tri-lambda
>
>So, just now I ran Popcorn.js through your Analytics Machine, here is the
>output:
>
>Total Function Expressions*: 63 65.625% Expression Functions**:
>1219.047619047619047%Expression Functions That Return an Object
>Literal:00%Functions with a single statement:914.285714285714285%Block
>Functions:4266.66666666666666%
>
>* Does not include function expressions that contain references to 'this'
>in its immediate scope.
>
>** Function expressions whose first statement is a return.
>Parameter List Length 0 17.46031746031746% 1 47.61904761904761%
>230.158730158730158%34.761904761904762%4 or more0%
>On Tue, Mar 13, 2012 at 8:55 PM, Kevin Smith <khs4473 at gmail.com> wrote:
>
>> I've updated the tool to also analyze the number of formal parameters for
>> each BTF candidate.  I've haven't had time to update the spreadsheet, but
>> for every body of code that I've sampled so far, 1 is the most common
>> number of formal parameters.
>>
>> This suggests that optimizing syntax for BTFs with one parameter might be
>> worthwhile.
>>
>> kevin
>>
>> _______________________________________________
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>>
>>
>
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