Alex Crichton ac77392f8a std: Stabilize last bits of io::Error ... This commit stabilizes a few remaining bits of the `io::Error` type: * The `Error::new` method is now stable. The last `detail` parameter was removed and the second `desc` parameter was generalized to `E: Into<Box<Error>>` to allow creating an I/O error from any form of error. Currently there is no form of downcasting, but this will be added in time. * An implementation of `From<&str> for Box<Error>` was added to liballoc to allow construction of errors from raw strings. * The `Error::raw_os_error` method was stabilized as-is. * Trait impls for `Clone`, `Eq`, and `PartialEq` were removed from `Error` as it is not possible to use them with trait objects. This is a breaking change due to the modification of the `new` method as well as the removal of the trait implementations for the `Error` type. [breaking-change]		2015-03-31 16:12:48 -07:00
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lib.rs	std: Stabilize last bits of io::Error	2015-03-31 16:12:48 -07:00