ensure(val, type) unless val is a type error('expected a ' + type + ', but got ' + typeof(val))
border-radius(n) ensure(n, 'unit') -webkit-border-radius n -moz-border-radius n border-radius n
body border-radius '5px' => Error: test.styl:3:62 1| ensure(val, type) 2| unless val is a type 3| error('expected a ' + type + ', but got ' + typeof(val)) -------------------------------------------------------------------^ 4| 5| border-radius(n) 6| ensure(n, 'unit')
expected a unit, but got string at ensure() (test.styl:2:17) at border-radius() (test.styl:6:16) at "body" (test.styl:10:18)