Colorized flexible tables # Example ```rust // Import Veg, ColoredString, and Colorize from veg::colored use veg::colored::{ColoredString, Colorize, Veg}; // Create a custom type struct Point { x: f32, y: f32, } // Implement a method that creates a Box of the custom type impl Point { fn new(x: f32, y: f32) -> Box { Box::new(Point { x, y }) } } // Implement the veg::Table::row method to define how to print the custom type impl veg::colored::Table for Point { fn row(&self) -> Vec { /* // Just color both red [self.x, self.y] .iter() .map(|x| x.to_string().red()) .collect() */ /* // Color x green and y red vec![self.x.to_string().green(), self.y.to_string().red()] */ // Color negative red, 0 plain, and positive green [self.x, self.y] .iter() .map(|&x| { let s = format!("{x:.1}"); if x < 0.0 { s.red() } else if x > 0.0 { s.green() } else { ColoredString::from(s) } }) .collect() // ... } } // Create a Veg via the table method with a header definition let mut v = Veg::table(&format!("{}|{}\n-:|-:", "x".cyan(), "y".magenta())); // Add a single point v.push(Point::new(-2.0, 4.0)); // Add a bunch of points v.append(&mut vec![ Point::new(-1.5, 3.0), Point::new(-1.0, 2.0), Point::new(-0.5, 1.0), Point::new(0.0, 0.0), Point::new(0.5, -1.0), Point::new(1.0, -2.0), Point::new(1.5, -3.0), Point::new(2.0, -4.0), ]); // Render as a markdown table let m = v.markdown().unwrap(); /* // NOTE: This assert doesn't pass in a doctest... please see `/tests/colored.rs` // and/or run `cargo test --features colored --test colored -- --nocapture`. assert_eq!( m, ColoredString::from( "\ | \u{1b}[36m x\u{1b}[0m | \u{1b}[35m y\u{1b}[0m | |-----:|-----:| | \u{1b}[31m-2.0\u{1b}[0m | \u{1b}[32m 4.0\u{1b}[0m | | \u{1b}[31m-1.5\u{1b}[0m | \u{1b}[32m 3.0\u{1b}[0m | | \u{1b}[31m-1.0\u{1b}[0m | \u{1b}[32m 2.0\u{1b}[0m | | \u{1b}[31m-0.5\u{1b}[0m | \u{1b}[32m 1.0\u{1b}[0m | | 0.0 | 0.0 | | \u{1b}[32m 0.5\u{1b}[0m | \u{1b}[31m-1.0\u{1b}[0m | | \u{1b}[32m 1.0\u{1b}[0m | \u{1b}[31m-2.0\u{1b}[0m | | \u{1b}[32m 1.5\u{1b}[0m | \u{1b}[31m-3.0\u{1b}[0m | | \u{1b}[32m 2.0\u{1b}[0m | \u{1b}[31m-4.0\u{1b}[0m | \ ", ), ); println!("{m}"); */ ```