Alexander Niederbühl 4586702fb7 Fix example in guide ... The example was failing with: `error[E0117]: only traits defined in the current crate can be implemented for arbitrary types`		2019-08-03 22:09:12 +02:00
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src	Fix example in guide	2019-08-03 22:09:12 +02:00
book.toml	Update `book.toml` to new `mdbook` format [ci skip]	2018-05-17 11:57:09 +02:00