Function print_human 

pub fn print_human(
    recipe: &Recipe,
    name: &str,
    scale: f64,
    converter: &Converter,
    style: Style,
    writer: &mut impl Write,
) -> Result<(), Error>

Write a recipe as the text cook recipe prints.

name is the title to show, scale is appended to it when it is not 1.0, and converter supplies the units used to group quantities.

style decides whether ANSI escape codes survive. The rendering below always paints, so Style::Plain is Style::Ansi with the escapes removed, character for character.