-
Type:
Improvement
-
Resolution: Works as Designed
-
Priority:
Minor - P4
-
None
-
Affects Version/s: None
-
Component/s: None
Right now, our tokio dependency pulls in some heavy transitive dependencies, even when using the async-std-runtime. We should fix this so that only the light, cross-platform things we need are pulled in when not using the tokio-runtime feature flag.
It looks like trust-dns-resolver and trust-dns-proto are the ones pulling in all of tokio.
tokio portion of the output of cargo tree --no-default-features --features async-std-runtime :
│ ├── tokio v1.21.0 │ │ ├── bytes v1.2.1 │ │ ├── libc v0.2.132 │ │ ├── memchr v2.5.0 │ │ ├── mio v0.8.4 │ │ │ ├── libc v0.2.132 │ │ │ └── log v0.4.17 (*) │ │ ├── num_cpus v1.13.1 │ │ │ └── libc v0.2.132 │ │ ├── once_cell v1.14.0 │ │ ├── pin-project-lite v0.2.9 │ │ ├── socket2 v0.4.7 (*) │ │ └── tokio-macros v1.8.0 (proc-macro) │ │ ├── proc-macro2 v1.0.43 (*) │ │ ├── quote v1.0.21 (*) │ │ └── syn v1.0.99 (*)
Note that this is a lighter ask than RUST-473, which suggests removing the tokio dependency altogether when using async-std.
