patmatch1.spad line 100 [edit on github]
Lifts maps to pattern matching results.
map(f, [(v1, a1), ..., (vn, an)]) returns the matching result [(v1, f(a1)), ..., (vn, f(an))].
map(f, [(v1, a1), ..., (vn, an)])
v1
f
a1
vn