app
app
map
f
nil
nil
app
app
map
f
app
app
cons
x
xs
app
app
cons
app
f
x
app
app
map
f
xs
app
app
treemap
f
app
app
node
x
xs
app
app
node
app
f
x
app
app
map
app
treemap
f
xs
app
2
map
0
nil
0
cons
0
treemap
0
node
0
FULL
./TRS/higher-order/Bird/TreeMap.trs