Merge pull request #245 from ricosjp/classcase-to-pascalcase · ricosjp/ruststep@5411073

The following actions uses node12 which is deprecated and will be forced to run on node16: actions-rs/toolchain@v1, actions-rs/cargo@v1. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/

The `set-output` command is deprecated and will be disabled soon. Please upgrade to using Environment Files. For more information see: https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/

large size difference between variants

match expression looks like `matches!` macro

`if` chain can be rewritten with `match`

module has the same name as its containing module

`espr` (lib) generated 4 warnings

methods called `as_*` usually take `self` by reference or `self` by mutable reference

methods called `as_*` usually take `self` by reference or `self` by mutable reference

an implementation of `From` is preferred since it gives you `Into<_>` for free where the reverse isn't true

an implementation of `From` is preferred since it gives you `Into<_>` for free where the reverse isn't true

`ruststep-derive` (lib) generated 4 warnings

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