Armando Ramirez ramirez7

Applied Functional Programming with Scala - Notes

1. Mastering Functions

A function is a mapping from one set, called a domain, to another set, called the codomain. A function associates every element in the domain with exactly one element in the codomain. In Scala, both domain and codomain are types.

val square : Int => Int = x => x * x

k0001's handwavy guide to high quality software

This is a work in progress where I try to convey what high quality software means to me, and how to build it. Be warned: This is a very opinionated and handwavy guide.

Copyright Renzo Carbonara, 2016. This work is licensed under a Creative Commons Attribution 4.0 International License.

	import (
	"mime"
	"net/http"
	"strings"
	)

	// Determine whether the request `content-type` includes a
	// server-acceptable mime-type
	//
	// Failure should yield an HTTP 415 (`http.StatusUnsupportedMediaType`)

	package main

	import (
	"fmt"
	"reflect"
	)

	// Name of the struct tag used in examples
	const tagName = "validate"

	module Printf

	%default total

	-- Formatting AST.
	data Format
	= FInt Format
	\| FString Format
	\| FOther Char Format
	\| FEnd

	let
	hpack2nix =
	name: src:
	let
	addCabalFile = stdenv.mkDerivation {
	inherit name src;
	phases = [ "unpackPhase" "patchPhase" "installPhase" ];
	installPhase = ''cp -r . $out'';
	patchPhase = ''
	${haskellPackages.hpack}/bin/hpack