#!/usr/bin/ruby global :a = (a => 1, b => 2) assert_eq(a, Hash(a => 1, b => 2)) assert_eq(a{:a}, 1) assert_eq(a{:b}, 2) global *b = (1,2,3) assert_eq(b, [1,2,3]) assert_eq(b[1], 2) func foo() { global x = 42 } assert_eq(global x, nil) # not defined yet foo() # define x assert_eq(global x, 42) # should be defined assert_eq(x, 42) # also available in the current scope (after accessing it once with `global`) say "** Test passed!"