Cargo Features

[dependencies]
static_type_map = { version = "0.5.2", default-features = false, features = ["send", "sync", "hashbrown"] }
default = send, sync

These default features are set whenever static_type_map is added without default-features = false somewhere in the dependency tree.

send default
sync default

Features from optional dependencies

hashbrown implicit feature

Enables hashbrown ^0.12.0

hashbrown:

A Rust port of Google's SwissTable hash map