Cargo Features

[dependencies]
opentelemetry-zipkin = { version = "0.26.0", default-features = false, features = ["reqwest-blocking-client", "reqwest-client", "reqwest-rustls"] }
default = reqwest-blocking-client

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

Enables native-tls of reqwest

reqwest:

Enables native-tls specific functionality not available by default.

reqwest-blocking-client default

Enables reqwest of opentelemetry-http, blocking of reqwest

reqwest-client = reqwest

Enables reqwest of opentelemetry-http

reqwest-rustls = reqwest

Enables rustls-tls-native-roots of reqwest

Features from optional dependencies

In crates that don't use the dep: syntax, optional dependencies automatically become Cargo features. These features may have been created by mistake, and this functionality may be removed in the future.

reqwest default reqwest-blocking-client reqwest-client? reqwest-rustls?