added serialize_none_as_null for separate fields also · knickish/nanoserde@0902b6d

The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2, 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 following actions use a deprecated Node.js version and will be forced to run on node20: actions/checkout@v2, actions-rs/toolchain@v1, actions-rs/cargo@v1. For more info: https://github.blog/changelog/2024-03-07-github-actions-all-actions-will-run-on-node20-instead-of-node16-by-default/

unused imports: `ToString`, `format`, and `vec::Vec`

field `generics` is never read

field `generics` is never read

`nanoserde-derive` (lib) generated 3 warnings (run `cargo fix --lib -p nanoserde-derive` to apply 1 suggestion)

the feature `error_in_core` has been stable since 1.81.0 and no longer requires an attribute to enable

`nanoserde` (lib test) generated 1 warning (1 duplicate)

this function depends on never type fallback being `()`

`nanoserde` (test "ron") generated 1 warning

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/

Provide feedback