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docs: replace the reference to co 

closes #893
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jongleberry 2017-02-24 23:43:21 -06:00
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docs/koa-vs-express.md
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@ -3,8 +3,8 @@ THIS DOCUMENT IS IN PROGRESS. THIS PARAGRAPH SHALL BE REMOVED WHEN THIS DOCUMENT
# Koa vs Express # Koa vs Express
Philosophically, Koa aims to "fix and replace node", whereas Express "augments node". Philosophically, Koa aims to "fix and replace node", whereas Express "augments node".
Koa uses co to rid apps of callback hell and simplify error handling. Koa uses promises and async functions to rid apps of callback hell and simplify error handling.
It exposes its own `this.request` and `this.response` objects instead of node's `req` and `res` objects. It exposes its own `ctx.request` and `ctx.response` objects instead of node's `req` and `res` objects.
Express, on the other hand, augments node's `req` and `res` objects with additional properties and methods Express, on the other hand, augments node's `req` and `res` objects with additional properties and methods
and includes many other "framework" features, such as routing and templating, which Koa does not. and includes many other "framework" features, such as routing and templating, which Koa does not.
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### Generated-based control flow ### Generated-based control flow
Thanks to co.
No callback hell. No callback hell.
Better error handling through try/catch. Better error handling through try/catch.