NAME
Medical::OPCS4::Parser - OPCS4 Parser object
METHODS
new
Create a new parser object.
Do not use directly.parse
The main parser function. Accepts a tab separated file of OPCS4 codes
along with their descriptions and parses it.
Returns true on success and undef on failure._get_parent
Internal parser function used to discover the parent
of each node.
Do not use directly.graph
Returns the internal Medical::OPCS4::Graph object.