Add documentation on trait objects. #22106
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(rust_highfive has picked a reviewer for you, use r? to override) |
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❤️ (It's probably better if I don't review, given I wrote a lot of it.) |
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Hehe, yeah, I thought about it, and decided to let @rust-highfive do its thing. The edits are actually very small. |
| binary, one for each type. | ||
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| Furthermore, compilers aren’t perfect and may “optimise” code to become slower. | ||
| For example, functions inlined too eagerly will bloating the instruction cache |
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Nice! A few small nits and otherwise r=me |
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| However, the common case is that it is more efficient to use static dispatch, | ||
| and one can always have a thin statically-dispatched wrapper function that does | ||
| a dynamic, but not vice versa, meaning static calls are more flexible. The |
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s/does a dynamic/does a dynamic call/?
Manishearth
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…lexcrichton I started to write up some docs on this, and then realized I was just repeating http://huonw.github.io/blog/2015/01/peeking-inside-trait-objects/ but worse. @huonw previously said that we can use this content if we wanted, so I made some tweaks and integrated it into the book. Fixes rust-lang#21707
alexcrichton
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I started to write up some docs on this, and then realized I was just repeating http://huonw.github.io/blog/2015/01/peeking-inside-trait-objects/ but worse. @huonw previously said that we can use this content if we wanted, so I made some tweaks and integrated it into the book. Fixes rust-lang#21707
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I started to write up some docs on this, and then realized I was just repeating http://huonw.github.io/blog/2015/01/peeking-inside-trait-objects/ but worse. @huonw previously said that we can use this content if we wanted, so I made some tweaks and integrated it into the book.
Fixes #21707