> Just serialisation (which is almost invariable Serde) will pull in at least 54... | Hacker News

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dtolnay on Aug 1, 2020 | parent | context | favorite | on: The semver trick (2019)

> Just serialisation (which is almost invariable Serde) will pull in at least 54 dependencies (if you only use serde and serde_json).

What is this number referring to? Serde + serde_json with all their transitive dependencies is maximum 12 crates (for someone who has enabled all optional features), though in typical usage it's 9 crates: serde, serde_derive, serde_json, syn, quote, proc-macro2, unicode-xid, itoa, ryu. I haven't figured out how you got to 54.

dmitriid on Aug 1, 2020 [–]

I ran `cargo tree -e all | wc -l`. Now I realise that's not a proper way to do it :-/

Looks like `cargo metadata --format-version=1 | jq -r ".packages|map(.name)|.[]"` is the way to do it.

- 10 for serde + serde_json

- 88 for rocket only

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