#include "HsBaseConfig.h"
-- | Selects the first 128 characters of the Unicode character set,
-- corresponding to the ASCII character set.
isAscii :: Char -> Bool
#include "HsBaseConfig.h"
-- | Selects the first 128 characters of the Unicode character set,
-- corresponding to the ASCII character set.
isAscii :: Char -> Bool
-- | Selects the first 256 characters of the Unicode character set,
-- corresponding to the ISO 8859-1 (Latin-1) character set.
-- | Selects the first 256 characters of the Unicode character set,
-- corresponding to the ISO 8859-1 (Latin-1) character set.
-- (letters, numbers, marks, punctuation, symbols and spaces).
isPrint :: Char -> Bool
-- (letters, numbers, marks, punctuation, symbols and spaces).
isPrint :: Char -> Bool
--- | Selects white-space characters in the Latin-1 range.
--- (In Unicode terms, this includes spaces and some control characters.)
+-- | Returns 'True' for any Unicode space character, and the control
+-- characters @\\t@, @\\n@, @\\r@, @\\f@, @\\v@.
isSpace :: Char -> Bool
-- isSpace includes non-breaking space
-- Done with explicit equalities both for efficiency, and to avoid a tiresome
-- recursion with GHC.List elem
isSpace :: Char -> Bool
-- isSpace includes non-breaking space
-- Done with explicit equalities both for efficiency, and to avoid a tiresome
-- recursion with GHC.List elem
-- | Selects upper-case or title-case alphabetic Unicode characters (letters).
-- Title case is used by a small number of letter ligatures like the
-- | Selects upper-case or title-case alphabetic Unicode characters (letters).
-- Title case is used by a small number of letter ligatures like the
-- | Selects ASCII octal digits, i.e. @\'0\'@..@\'7\'@.
isOctDigit :: Char -> Bool
-- | Selects ASCII octal digits, i.e. @\'0\'@..@\'7\'@.
isOctDigit :: Char -> Bool
-- | Selects ASCII hexadecimal digits,
-- i.e. @\'0\'@..@\'9\'@, @\'a\'@..@\'f\'@, @\'A\'@..@\'F\'@.
isHexDigit :: Char -> Bool
-- | Selects ASCII hexadecimal digits,
-- i.e. @\'0\'@..@\'9\'@, @\'a\'@..@\'f\'@, @\'A\'@..@\'F\'@.
isHexDigit :: Char -> Bool
isAlpha c = iswalpha (fromIntegral (ord c)) /= 0
isAlphaNum c = iswalnum (fromIntegral (ord c)) /= 0
--isSpace c = iswspace (fromIntegral (ord c)) /= 0
isAlpha c = iswalpha (fromIntegral (ord c)) /= 0
isAlphaNum c = iswalnum (fromIntegral (ord c)) /= 0
--isSpace c = iswspace (fromIntegral (ord c)) /= 0
toUpper c = chr (fromIntegral (towupper (fromIntegral (ord c))))
toTitle c = chr (fromIntegral (towtitle (fromIntegral (ord c))))
toUpper c = chr (fromIntegral (towupper (fromIntegral (ord c))))
toTitle c = chr (fromIntegral (towtitle (fromIntegral (ord c))))
-- The upper case ISO characters have the multiplication sign dumped
-- randomly in the middle of the range. Go figure.
-- The upper case ISO characters have the multiplication sign dumped
-- randomly in the middle of the range. Go figure.
c >= '\xC0' && c <= '\xD6' ||
c >= '\xD8' && c <= '\xDE'
-- The lower case ISO characters have the division sign dumped
-- randomly in the middle of the range. Go figure.
c >= '\xC0' && c <= '\xD6' ||
c >= '\xD8' && c <= '\xDE'
-- The lower case ISO characters have the division sign dumped
-- randomly in the middle of the range. Go figure.