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Feature #8691

Add warning for variable that is re-assigned but not re-used

Added by agrimm (Andrew Grimm) almost 7 years ago. Updated over 6 years ago.

Status:
Closed
Priority:
Normal
Assignee:
-
Target version:
-
[ruby-core:56184]

Description

The following code

def reassigned_unused
a = 42
b = a.to_s
a = 56
b
end

Does not currently generate an "assigned but unused variable" warning about the second assignment to "a".

Is it feasible to create a warning for such a scenario?

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