Cargo Features

[dependencies]
libredr-client = { version = "0.0.19", default-features = false, features = ["jemalloc", "pyo3-extension-module"] }
default = jemalloc

The jemalloc feature is set by default whenever libredr-client is added without default-features = false somewhere in the dependency tree.

jemalloc default

Enables jemalloc of libredr-common

pyo3-extension-module

Enables extension-module of pyo3 ^0.21

pyo3:

Use this feature when building an extension module.
It tells the linker to keep the python symbols unresolved,
so that the module can also be used with statically linked python interpreters.

libredr-client has 3 features without comments.