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IronSavior/tracing.rb

Created August 19, 2016 21:58
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Minimalist program tracing with logger-like interface.
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tracing.rb
module Tracing
def trace_message( msg = yield )
level = String(__callee__).upcase
puts ' ** [%s] %s: %s' % [level, self.class, msg]
end
%i[debug info warn error].each{ |m| alias_method m, :trace_message }
end
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