Struct Decor 

pub struct Decor {

    pub lt: char,
    pub rt: char,
    pub rb: char,
    pub lb: char,
    pub te: char,
    pub re: char,
    pub be: char,
    pub le: char,
    pub tc: char,
    pub rc: char,
    pub bc: char,
    pub lc: char,
    pub cross: char,
    pub sh: char,
    pub sv: char,
}

The box outside the object

It include many char for making a box. But it not include the functions for making box!

As shown in the figure below, the abbreviation is:
l: left, r: right, t: top, b: bottom, e: edge, c: cross

lt    te   tc       rt
  ┌────────┰────────┓          lt: ┌ rt: ┓
  │        ┆        ┃          lb: ╰ rb: ╝
  │        ┆sv      ┃
  │        ┆        ┃          te: ─ re: ┃  sv: ┆
lc├╌╌╌╌╌╌╌╌┼╌╌╌╌╌╌╌╌┦rc ┄┄┄┄┄> be: ═ le: │  sh: ╌
  │   cross┆   sh   ┃
le│        ┆        ┃re        tc: ┰ rc: ┦
  │        ┆        ┃          bc: ┸ lc: ├  cross: ┼
  ╰════════┸════════╝
lb        bc   be    rb

In general, you don’t need to manually set up your own. Some useful constructor methods can directly generate specific styles of borders.

Fields

lt: char

left top corner

rt: char

right top corner

rb: char

right top corner

lb: char

left bottom corner

te: char

top edge

re: char

right edge

be: char

bottom edge

le: char

left edge

tc: char

top cross

rc: char

right cross

bc: char

bottom cross

lc: char

left cross

cross: char

the cross

sh: char

horizontal segmetation

sv: char

vertical segmetation

Implementations

impl Decor

pub fn get_corner(&self) -> (char, char, char, char)

Return those corner char

pub fn get_edge(&self) -> (char, char, char, char)

Return those edge char

pub fn get_cross(&self) -> (char, char, char, char, char)

Return those cross char

impl Decor

pub fn simple() -> Self

The regular style

┌───┬───┐
│   │   │
├───┼───┤
│   │   │
└───┴───┘

pub fn bold() -> Self

The bold style

┏━━━┳━━━┓
┃   ┃   ┃
┣━━━╋━━━┫
┃   ┃   ┃
┗━━━┻━━━┛

pub fn plot() -> Self

The style for plot

╭═══╤═══╗
│   ╎   ║
├┄┄┄┼┄┄┄╢
│   ╎   ║
╰───┴───╜