Extra Tuple functions.
fst : ( a1, a2 ) -> a1
Alias of Tuple.first
snd : ( a1, a2 ) -> a2
Alias of Tuple.second
.
fst3 : ( a1, a2, a3 ) -> a1
Extract the first component of a triplet.
snd3 : ( a1, a2, a3 ) -> a2
Extract the second component of a triplet.
thd3 : ( a1, a2, a3 ) -> a3
Extract the third component of a triplet.