Adds support for attr_* method references #2848
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Motivation
Shows references for methods defined with
attr_reader
,attr_writer
,attr_accessor
Closes #2668
Implementation
attr_reader
,attr_writer
,attr_accessor
are just methods, so on call node if we detect one of these methods, and one of the arguments match the target method name, add the reference.Automated Tests
ya
Manual Tests