extern crate is considered unidiomatic in 2018 rust

stevedonovan / gentle-intro

A gentle Rust tutorial

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extern crate is considered unidiomatic in 2018 rust #104

Open lamalex opened 4 years ago

lamalex commented 4 years ago

Removes usage of extern crate where appropriate. There are still a few places where extern crate is the most reasonable solution due to crates which have not been updated to the current idioms (nom, error_chain).