pub const VERTICAL: char = '│';
pub const HORIZONTAL: char = '─';
pub const TOP_RIGHT: char = '┐';
pub const TOP_LEFT: char = '┌';
pub const BOTTOM_RIGHT: char = '┘';
pub const BOTTOM_LEFT: char = '└';
pub const HORIZONTAL_DOWN: char = '┬';
pub const HORIZONTAL_UP: char = '┴';
pub const UP: char = '^';
pub const DOWN: char = 'v';
pub const DOUBLE_UP: char = '▲';
pub const DOUBLE_DOWN: char = '▼';
pub const LIGHT_UPPER: char = '╨';
pub const LIGHT_LOWER: char = '╥';
pub const LIGHT: char = '║';
pub const MEDIUM_UPPER: char = '┸';
pub const MEDIUM_LOWER: char = '┰';
pub const MEDIUM: char = '┃';
pub const FULL_UPPER: char = '▀';
pub const FULL_LOWER: char = '▄';
pub const FULL: char = '█';
pub const BLANK: char = ' ';