third_party/blink/tools/blinkpy/web_tests/merge_results.py
def add_helper(self, match_func, merge_func):
        """Add function which merges values.

        match_func and merge_func are dependent on the merger object type.
        When the function returns true, the merge_func will be called.

        Helpers are searched in last added, first checked order. This allows
        more specific helpers to be added after more generic helpers.
        """
        self.helpers.append((match_func, merge_func))
Add function which merges values.

        match_func and merge_func are dependent on the merger object type.
        When the function returns true, the merge_func will be called.

        Helpers are searched in last added, first checked order. This allows
        more specific helpers to be added after more generic helpers.
        
Add function which merges values.
match_func and merge_func are dependent on the merger object type.
When the function returns true, the merge_func will be called.

Helpers are searched in last added, first checked order. This allows
more specific helpers to be added after more generic helpers.
Add function which merges values . match_func and merge_func are dependent on the merger object type . When the function returns true the merge_func will be called . Helpers are searched in last added first checked order . This allows more specific helpers to be added after more generic helpers .
def add_helper(self, match_func, merge_func):
        self.helpers.append((match_func, merge_func))
def add_helper ( self , match_func , merge_func ) : self . helpers . append ( ( match_func , merge_func ) )
Add function which merges values.
Add function which merges values .
"""Add function which merges values.

        match_func and merge_func are dependent on the merger object type.
        When the function returns true, the merge_func will be called.

        Helpers are searched in last added, first checked order. This allows
        more specific helpers to be added after more generic helpers.
        """
self
match_func
merge_func