head :: Collection collection => Any value
import { head } from 'conductor'
const items = ['hello', 'world']
head(items) // 'hello'
using other data structures
import { head } from 'conductor'
const map = new Map([['drumsticks', 2]])
const object = { drumsticks: 2, drummer: 'James M' }
const set = new Set(['drumsticks', 'drummer'])
head(map) // 2
head(object) // 2
head(set) // 'drumsticks'