Loads a Gem::Specification with the
given name,version and platform.
source is ignored.
# File lib/rubygems/resolver/lock_set.rb, line 54
def load_spec name, version, platform, source # :nodoc:
dep = Gem::Dependency.new name, version
found = @specs.find do |spec|
dep.matches_spec? spec and spec.platform == platform
end
tuple = Gem::NameTuple.new found.name, found.version, found.platform
found.source.fetch_spec tuple
end