Parse a letter.
Char letter( var ParseState st )
st The current parsing state
This function parses any letter character (as defined by Prelude.isAlpha (3kaya) , returning it if it is found, and throwing an Exception otherwise.
Kaya standard library by Edwin Brady, Chris Morris and others ([email protected]). For further information see http://kayalang.org/
The Kaya standard library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License (version 2.1 or any later version) as published by the Free Software Foundation.