def mergeData(self, a, b):
keys = self.mergeKeys(a.keys, b.keys)
lines = self.mergeLines(a.lines, b.lines)
calls = self.mergeCalls(a.calls, b.calls)
branches = self.mergeBranches(a.branches, b.branches)
functions = self.mergeFunctions(a.functions, b.functions)
return GCovParser.GCovFileData(keys, lines, calls, branches, functions)
