Function arrow_left_kind

Return the direction of an arrow - right, left, or both.

import { arrow_left_kind } from 'jssm';

arrow_left_kind('<-');    // 'legal'
arrow_left_kind('<=');    // 'main'
arrow_left_kind('<~');    // 'forced'
arrow_left_kind('<->');   // 'legal'
arrow_left_kind('->');    // 'none'
Copy