std.text.char

Char extend

Extend Char

No doc comment.

std/text/char.fb, line 13

• Public Property Code: Int property #

  Its code point, from 0 to 0x10FFFF.

• Public Property Utf8Length: Int property #

  How many bytes it takes in UTF-8: 1 to 4.

• Public Static Method From(code: Int): Char? static method #

  The Char of a code point, or Null for one that isn't a Unicode scalar value: below 0, past 0x10FFFF, or a surrogate, 0xD800 to 0xDFFF.

• Public Method IsLetter(): Bool method #

  Whether it's a letter, of any case or none, as in "é", "ж", or "中".

• Public Method IsDigit(): Bool method #

  Whether it's a decimal digit, of any script, like "7" or "٣".

• Public Method IsNumber(): Bool method #

  Whether it's a number of any kind: a decimal digit, a letter like a Roman numeral, or another like "½".

• Public Method IsLetterOrDigit(): Bool method #

  Whether it's a letter or a decimal digit.

• Public Method IsUpper(): Bool method #

  Whether it's an uppercase letter.

• Public Method IsLower(): Bool method #

  Whether it's a lowercase letter.

• Public Method IsPunctuation(): Bool method #

  Whether it's punctuation, like "," or "¿".

• Public Method IsSymbol(): Bool method #

  Whether it's a symbol, like "+", "$", or "©".

• Public Method IsControl(): Bool method #

  Whether it's a control character, like a tab or a line break.

• Public Method IsWhitespace(): Bool method #

  Whether it's whitespace, as Unicode's White_Space has it: a space of any width, a tab, a line or paragraph break, and the like.

• Public Method IsAscii(): Bool method #

  Whether it's ASCII, U+0000 to U+007F.

• Public Method ToUpper(): Char method #

  Its own uppercase, or itself when it has none. A String's ToUpper turns "ß" into "SS", which one Char can't hold.

• Public Method ToLower(): Char method #

  Its own lowercase, or itself when it has none.