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CreatedAugust 31, 2012 20:57
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Abstraction.js "Lite" (live-coded at BrazilJS 2012)
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| /* | |
| * Abstraction.js "Lite" | |
| * | |
| * Copyright (c) 2012 "Cowboy" Ben Alman | |
| * Licensed under the MIT license. | |
| * http://benalman.com/about/license/ | |
| */ | |
| var$elseif,$else; | |
| var$if=function(state){ | |
| varnop=function(){}; | |
| varexec=function(fn){fn()}; | |
| if(state){ | |
| $elseif=function(){returnnop;}; | |
| $else=nop; | |
| returnexec; | |
| }else{ | |
| $elseif=$if; | |
| $else=exec; | |
| returnnop; | |
| } | |
| }; |
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| // Why log now when we can log later? | |
| varconsole$log=function(arg){ | |
| returnfunction(){ | |
| console.log(arg); | |
| }; | |
| }; | |
| // Valid JavaScript | |
| $if(true)( | |
| console$log("1") | |
| ) | |
| $elseif(true)( | |
| console$log("shouldn't log a") | |
| ) | |
| $else( | |
| console$log("shouldn't log b") | |
| ) | |
| $if(false)( | |
| console$log("shouldn't log c") | |
| ) | |
| $elseif(true)( | |
| console$log("2") | |
| ) | |
| $elseif(true)( | |
| console$log("shouldn't log d") | |
| ) | |
| $elseif(false)( | |
| console$log("shouldn't log e") | |
| ) | |
| $else( | |
| console$log("shouldn't log f") | |
| ) | |
| $if(false)( | |
| console$log("shouldn't log g") | |
| ) | |
| $elseif(false)( | |
| console$log("shouldn't log h") | |
| ) | |
| $else( | |
| console$log("3") | |
| ) | |
| // Logs: | |
| // 1 | |
| // 2 | |
| // 3 |
Also see the original,Abstraction.js.
hkdobrev commentedSep 2, 2012
OMG
TheEskhaton commentedOct 16, 2013
well this completely blew my mind
ryasmi commentedOct 16, 2013
@cowboy if the whole language could be written this way and macros were implemented, I think this could be awesome. JavaScript could consist of a small set of functions and really simple syntax.
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