Leave apply available in the generic traverser to do something else.
Performs a traversal with a given owner symbol.
Returns string formatted according to given format
string.
Returns string formatted according to given format
string.
Format strings are as for String.format
(@see java.lang.String.format).
Traverses a single tree.
Traverses a list of trees with a given owner symbol.
Traverses a list of trees.
Traverses a list of lists of trees.
A class that implement a default tree traversal strategy: breadth-first component-wise.