| Function lca Returns the last common ancestor of two tree nodes. bool lca(a, b, result) Parameters
a | The first node. Types: TopDownHistory Iterator
b | The second node. Types: TopDownHistory Iterator
result | A reference to the resulting lca node. Types: TopDownHistory Iterator
Return Values false if the lca of a and b is the root node, otherwise true. SeqAn - Sequence Analysis Library - www.seqan.de