By default at 32, it can be increased for very large lists.
It can be modified anytime, but newly created nodes may still be assigned
the same capacity of old nodes when created by insert.
# Desired capacity for each nodes
#
# By default at `32`, it can be increased for very large lists.
#
# It can be modified anytime, but newly created nodes may still be assigned
# the same capacity of old nodes when created by `insert`.
var nodes_length = 32 is writable
lib/more_collections/more_collections.nit:361,2--367,34