to start with
to end with
(?='->'
) to reverse it
string[] | number[] | boolean[]
import {N} from 'ts-toolbelt'
type test0 = N.Range<'-2', '1'> // ['-2', '-1', '0', '1']
type test1 = N.Range<'-2', '1', '->'> // ['-2', '-1', '0', '1']
type test2 = N.Range<'-2', '1', '<-'> // ['1', '0', '-1', '-2']
Create a range of * *number**s