Skip to content

Instantly share code, notes, and snippets.

View cfeduke's full-sized avatar

Charles Feduke cfeduke

View GitHub Profile
cb372 /
Last active May 14, 2024 03:45
Category theory jargon cheat sheet

Category theory jargon cheat sheet

A primer/refresher on the category theory concepts that most commonly crop up in conversations about Scala or FP. (Because it's embarassing when I forget this stuff!)

I'll be assuming Scalaz imports in code samples, and some of the code may be pseudo-Scala.


A functor is something that supports map.

chronodm / ApiFormats.scala
Last active November 19, 2016 02:49
Custom formatters for JodaTime DateTime and various case classes
package format
import model._
import spray.json._
import org.joda.time.DateTime
import org.joda.time.format.{ISODateTimeFormat, DateTimeFormatter}
* @version $Id$ $Rev: 223159 $ $Date: 2013-11-27 15:12:03 -0800 (Wed, 27 Nov 2013) $
drexin / Macros.scala
Last active October 27, 2016 09:41
macros to get current file and line, inspired by ruby's __FILE__ and __LINE__
import language.experimental.macros
import scala.reflect.macros.Context
object Macros {
def LINE: Int = macro lineImpl
def lineImpl(c: Context): c.Expr[Int] = {
import c.universe._