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instance method
Gem::Resolver::ActivationRequest#installed?
installed?
lib/rubygems/resolver/activation_request.rb
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# File tmp/rubies/ruby-3.0.5/lib/rubygems/resolver/activation_request.rb, line 104
def installed?
case @spec
when Gem::Resolver::VendorSpecification then
true
else
this_spec = full_spec
Gem::Specification.any? do |s|
s == this_spec
end
end
end
True if the requested gem has already been installed.