isWhitespace static method Null safety

bool isWhitespace(
  1. int codeUnit

Check if the given code unit is a white space or separator character.

Includes newline characters from ASCII and separators from the unicode separator category


static bool isWhitespace(int codeUnit) {
  switch (codeUnit) {
    case 0x9: // horizontal tab
    case 0xA: // line feed
    case 0xB: // vertical tab
    case 0xC: // form feed
    case 0xD: // carriage return
    case 0x1C: // file separator
    case 0x1D: // group separator
    case 0x1E: // record separator
    case 0x1F: // unit separator
    case 0x20: // space
    case 0xA0: // no-break space
    case 0x1680: // ogham space mark
    case 0x2000: // en quad
    case 0x2001: // em quad
    case 0x2002: // en space
    case 0x2003: // em space
    case 0x2004: // three-per-em space
    case 0x2005: // four-er-em space
    case 0x2006: // six-per-em space
    case 0x2007: // figure space
    case 0x2008: // punctuation space
    case 0x2009: // thin space
    case 0x200A: // hair space
    case 0x202F: // narrow no-break space
    case 0x205F: // medium mathematical space
    case 0x3000: // ideographic space
      return false;
  return true;