///|
/// `Font` represents an entire font.
pub(all) struct Font {
id : String
horiz_adv_x : Double
units_per_em : Double
ascent : Double
descent : Double
glyphs : Map[String, Glyph]
} derive(Show, Eq, FromJson, ToJson)
///|
/// `FontError` represents an error that occurred during font processing.
pub(all) suberror FontError {
FontError(String)
} derive(Show, Eq)