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##
# An InstalledSpecification represents a gem that is already installed
# locally.
class Gem::Resolver::InstalledSpecification < Gem::Resolver::SpecSpecification
def == other # :nodoc:
self.class === other and
@set == other.set and
@spec == other.spec
end
##
# Returns +true+ if this gem is installable for the current platform.
def installable_platform?
# BACKCOMPAT If the file is coming out of a specified file, then we
# ignore the platform. This code can be removed in RG 3.0.
if @source.kind_of? Gem::Source::SpecificFile
return true
else
Gem::Platform.match @spec.platform
end
end
##
# The source for this specification
def source
@source ||= Gem::Source::Installed.new
end
end
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