3 ms·
S-expressions gracefully disambiguate all three examples in the note, with nary a semicolon nor a comma in sight. first -second will either be (- first
by filoeleven 6y ago
S-expressions gracefully disambiguate all three examples in the note, with nary a semicolon nor a comma in sight.
first
-second
will either be
(- first second)
or (though this is a bit silly)
(do
first
(- second))
and there is never any danger of mistaking one for the other.