sweeten your javascript Compile Eval vim emacs default
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/*
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Welcome to sweet.js!
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​
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You can play around with macro writing here on the left side and
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your code will automatically be compiled on the right. This page
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will also save your code to localStorage on every successful
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compile so feel free to close the page and come back later!
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*/
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​
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// The `syntax` keyword is used to create and name new macros.
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syntax inc = function (ctx) {
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  let x = ctx.next().value;
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  return #`${x} + 1`;
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}
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inc 100
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​
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100 + 1;
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​