John Backus ce6020b1a3 Add mutation Hash#values_at -> Hash#fetch_values ... Fixes #482		2016-01-03 16:29:16 -08:00
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mutant	Add mutation Hash#values_at -> Hash#fetch_values	2016-01-03 16:29:16 -08:00
mutant.rb	Reduce direct reference of globals	2015-11-21 22:02:51 +00:00