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b1793a4416
Summary: This diff is preparation for migrating off of failure::Fail / failure::Error for errors in favor of errors that implement std::error::Error. The Fallible terminology is unique to failure and in non-failure code we should be using Result<T>. To minimize the size of the eventual diff that removes failure, this codemod replaces all use of Fallible with Result by: - In modules that do not use Result<T, E>, we import `failure::Fallible as Result`; - In modules that use a mix of Result<T, E> and Fallible<T> (only 5) we define `type Result<T, E = failure::Error> = std::result::Result<T, E>` to allow both Result<T> and Result<T, E> to work simultaneously. Reviewed By: Imxset21 Differential Revision: D18499758 fbshipit-source-id: 9f5a54c47f81fdeedbc6003cef42a1194eee55bf |
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| Cargo.toml | ||