##-
# Author: Brian Tiffin
# Dedicated to the public domain
#
# Date: November 2016
# Modified: 2016-11-25/23:55-0500
##+
#
# Span.icn, pattern matching function, one or more characters
#
procedure main()
    "string" ?? Span('pqrstuv') => result
    write(image(result))

    # add a fence for anchored pattern matching, to demonstrate Span fail
    "no match at start of string" ?? Fence() || Span('pqrstuv') => second
    write(image(second))
end