Module prelude

The tracing-subscriber prelude.

This brings into scope a number of extension traits that define methods on types defined here and in other crates.

Re-exports

• pub use crate::field::MakeExt as _;
• pub use crate::field::RecordFields as _;
• pub use crate::subscribe::CollectExt as _;
• pub use crate::subscribe::Subscribe as _;
• pub use crate::util::SubscriberInitExt as _;
• pub use crate::fmt::writer::MakeWriterExt as _;
  fmt and std