Characters
Characters represented as Unicode code points.
public func toNat32(c : Char) : Nat32
Convert character c
to a word containing its Unicode scalar value.
public func fromNat32(w : Nat32) : Char
Convert w
to a character.
Traps if w
is not a valid Unicode scalar value.
Value w
is valid if, and only if, w < 0xD800 or (0xE000 <= w and w <= 0x10FFFF)
.
public func toText(c : Char) : Text
Convert character c
to single character text.
public func isDigit(c : Char) : Bool
Returns true
when c
is a decimal digit between 0
and 9
, otherwise false
.
public func isWhitespace(c : Char) : Bool
Returns the Unicode White_Space property of c
.
public func isLowercase(c : Char) : Bool
Returns the Unicode Lowercase property of c
.
public func isUppercase(c : Char) : Bool
Returns the Unicode Uppercase property of c
.
public func isAlphabetic(c : Char) : Bool
Returns the Unicode Alphabetic property of c
.