emattson

# taken from https://www.postgresql.org/download/linux/debian/
# assumes you are root
echo 'deb http://apt.postgresql.org/pub/repos/apt/ stretch-pgdg main' >  /etc/apt/sources.list.d/pgdg.list
wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | apt-key add -
apt-get update
yes Y | apt-get install postgresql-client-10

emattson

pbpaste | highlight --syntax=js -O rtf -K 40 -k monokai -s seashell | pbcopy

emattson

Keybase proof

I hereby claim:

• I am emattson on github.
• I am elimattson (https://keybase.io/elimattson) on keybase.
• I have a public key whose fingerprint is 8372 DE5F 3B26 A02F 73FA FF4D B867 117A F3A5 04CC

To claim this, I am signing this object:

emattson

//es5
var parse = require("shift-parser").default;
var reduce = require("shift-reducer").default;
var MonoidalReducer = require("shift-reducer").MonoidalReducer;

//must return a Monoid
function IdentifierCounter() {
  // a monoid over integers and addition
  function Sum() {}
  // by default reduce any node to the identity, zero

emattson

//depends on shift-parser, shift-reducer, and shift MonoidalReducer
import parse from "shift-parser";
import reduce, {
  MonoidalReducer
}
from "shift-reducer";

//IdentifierCounter inherits from MonoidalReducer
class IdentifierCounter extends MonoidalReducer {

emattson

npm install shift-reducer shift-parser

emattson

function f(s) {
  s -> x + 1 
}