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instance method
Gem::Installer#spec
spec
lib/rubygems/installer.rb
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# File tmp/rubies/ruby-3.0.5/lib/rubygems/installer.rb, line 276
def spec
@package.spec
rescue Gem::Package::Error => e
raise Gem::InstallError, "invalid gem: #{e.message}"
end
Lazy accessor for the installer’s spec.