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Consider expect_s3_class and expect_s4_class #373

hadley opened this Issue Feb 20, 2016 · 0 comments


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hadley commented Feb 20, 2016

Tests is.object(x) && !isS4(x) and isS4(x), and optionally class.

@hadley hadley closed this in e9868d8 Feb 20, 2016

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