x = 1        // very bad (declaration by assignment)
int x = 1
var x = 1
let x = 1
val x = 1    // sometimes used as a synonym for const
const x = 1  // x in not a variable, x is an identifier






// Why declaration by assignment is a bad idea.
iLikeVeryComplicatedNames = 5;







iLikeVeryComplicatednames = 6;