#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, PartialOrd, Ord)] pub enum GeneralCategory { Lu, Ll, Lt, Lm, Lo, Mn, Mc, Me, Nd, Nl, No, Pc, Pd, Ps, Pe, Pi, Pf, Po, Sm, Sc, Sk, So, Zs, Zl, Zp, Cc, Cf, Cs, Co, Cn, } #[unsafe(no_mangle)] pub const fn is_ascii_alphabetic1(c: char) -> bool { use GeneralCategory::*; c >= '\u{0000}' && c <= '\u{007f}' && match match c { '\u{0000}'..='\u{001F}' => Cc, '\u{0020}' => Zs, '\u{0021}'..='\u{0023}' => Po, '\u{0024}' => Sc, '\u{0025}'..='\u{0027}' => Po, '\u{0028}' => Ps, '\u{0029}' => Pe, '\u{002A}' => Po, '\u{002B}' => Sm, '\u{002C}' => Po, '\u{002D}' => Pd, '\u{002E}'..='\u{002F}' => Po, '\u{0030}'..='\u{0039}' => Nd, '\u{003A}'..='\u{003B}' => Po, '\u{003C}'..='\u{003E}' => Sm, '\u{003F}'..='\u{0040}' => Po, '\u{0041}'..='\u{005A}' => Lu, '\u{005B}' => Ps, '\u{005C}' => Po, '\u{005D}' => Pe, '\u{005E}' => Sk, '\u{005F}' => Pc, '\u{0060}' => Sk, '\u{0061}'..='\u{007A}' => Ll, '\u{007B}' => Ps, '\u{007C}' => Sm, '\u{007D}' => Pe, '\u{007E}' => Sm, '\u{007F}' => Cc, _ => return false, } { Lu | Ll | Lt | Lm | Lo => true, _ => false, } } #[unsafe(no_mangle)] pub const fn is_ascii_alphabetic2(c: char) -> bool { use GeneralCategory::*; c >= '\u{0000}' && c <= '\u{007f}' && match match c { '\u{0041}'..='\u{005A}' => Lu, '\u{0061}'..='\u{007A}' => Ll, _ => return false, } { Lu | Ll | Lt | Lm | Lo => true, _ => false, } }