Announcing Ivar: Ruby’s Missing Instance Variable Typo Warnings – avdi.codes

08-May-2025 12
Ivar is a Ruby gem that automatically checks for typos in instance variables.That’s because what Ivar does seems so basic that it’s almost a surprise it isn’t part of the language. Do you see that warning about an unkown instance variable? That’s Ivar, helping you avoid a bug. .
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