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module OpenTracing
# Scope represents an OpenTracing Scope
#
# See http://www.opentracing.io for more information.
class Scope
NOOP_INSTANCE = Scope.new.freeze
# Return the Span scoped by this Scope
#
# @return [Span]
def span
Span::NOOP_INSTANCE
end
# Mark the end of the active period for the current thread and Scope,
# updating the ScopeManager#active in the process.
#
# NOTE: Calling close more than once on a single Scope instance leads to
# undefined behavior.
def close; end
end
end
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