A parse error in the UI causes an ugly failure. The parsers should be modified to return the DwtErr error type, and the functions that call them should respond to it.
fromRight (sometimes abbreviated fr) and fromJust are used in more places than they need to be.
A parse error in the UI causes an ugly failure. The parsers should be modified to return the DwtErr error type, and the functions that call them should respond to it.
fromRight(sometimes abbreviatedfr) andfromJustare used in more places than they need to be.