Add example to Any documentation #15483
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| //! `&mut Any`, there is also the `as_mut` method, for getting a mutable reference to the inner | ||
| //! value. `Box<Any>` adds the `move` method, which will unwrap a `Box<T>` from the object. See | ||
| //! the extension traits (`*Ext`) for the full details. | ||
| /*! |
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OK, I decided to just go with the simple match example in the end. Appreciate it if you could check the accuracy of my claim regarding Any and traits - I think it's correct, but I wouldn't want to lead people astray :-) |
| //! // different type: just print it out unadorned. | ||
| //! match value_any.as_ref::<String>() { | ||
| //! Some(as_string) => { | ||
| //! println!("String ({}): {}", as_string.len(), as_string); |
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I broke the match onto separate lines like this to stay within the 80 character doc limit. Seems a bit less standard, though - any thoughts?
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Actually, the limit is no longer 80 but back to 100, or rather 99 (rust-lang/rust-guidelines#12).
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Could you squash the two commits together as well? Other than that this looks good to go! |
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Done! |
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Noticed there wasn't an awful lot of info out there on using Any types, so added an example to the rustdocs.
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Noticed there wasn't an awful lot of info out there on using Any types, so added an example to the rustdocs.