Use TreeRewriter#wrap
Inserts new code before and after the given source range.
Parameters:
Returns:
self
Raises:
when clobbering is detected
94 95 96 97
# File 'lib/parser/source/rewriter.rb', line 94 def wrap(range, before, after) append Rewriter::Action.new(range.begin, before) append Rewriter::Action.new(range.end, after) end