0 present participle of flatten
2 to become level and thinner or to cause something to become level and thinner:
He was immediately flattened by a single punch to the head.
The whole area was flattened in the bombing raid - not a building was left standing.
After a few hundred yards, you come to an area where the ground flattens out.
That tent is not secure, you know. The first gust of wind will flatten it.
A fight broke out and we had to grab Kevin to stop him flattening the other guy.
The flattening and unflattening functions are mutually recursive.
An alternative approach that avoids the use of an indexing operation works by building a perfect tree, and then flattening it into a list.
Unlike flattening conditionals and eliminating common subexpressions, transforming a loop to precompute all conditions is not possible for all loops.
