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Nicholas Nethercote
0db4e3a883
Error enum names should not be plural. Even though there are multiple possible errors, each instance of an error enum describes a single error. There are dozens of singular error enum names, and only two plural error enum names. This commit makes them both singular.
The driver crate is effectively the "main" function for the rust
compiler. It orchestrates the compilation process and "knits together"
the code from the other crates within rustc. This crate itself does
not contain any of the "main logic" of the compiler (though it does
have some code related to pretty printing or other minor compiler
options).
For more information about how the driver works, see the rustc dev guide.