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Add `Enumerable#one?` #7166

merged 1 commit into from Dec 9, 2018


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asterite commented Dec 9, 2018

This method was missing. Similar non-block versions exist for all? and none?.


RX14 approved these changes Dec 9, 2018

@RX14 RX14 added this to the 0.27.1 milestone Dec 9, 2018

@RX14 RX14 merged commit 7b315d8 into crystal-lang:master Dec 9, 2018

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