Le 09/01/2023 à 20:12, Jean Abou Samra a écrit :
while rustup arranges so that the version of Rust used in each project is the one specified in Cargo.toml.
Sorry, I misremembered: s/Cargo.toml/rust-toolchain.toml. A pinned Rust version is specified there, Cargo.toml supports a minimum supported Rust version and errors out if it's run with an older compiler. On the other hand, even without a pinned version, you want to be able to upgrade the compiler frequently and possibly use several versions, which rustup can also do via its CLI.
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