Remove deprecated std::error::Error
functions and other minor changes
#1319
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This pull requests removes
std::error::Error::{cause,description}
as they are deprecated. Also, this PR contains these minor changes:Path::new("out/lorem_ipsum.txt");
toPath::new("lorem_ipsum.txt");
insrc/std_misc/file/create.md
to be able to run the example on the playgroundimpl error::Error for ...