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Merged
merged 2 commits into from
Oct 18, 2021
Merged

subscriber: reduce default features #1647

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c02fdaf
subscriber: reduce default features
hawkw Oct 18, 2021
8665d46
Merge branch 'master' into eliza/less-default-features
hawkw Oct 18, 2021
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2 changes: 1 addition & 1 deletion examples/Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,7 @@ tracing-core = { path = "../tracing-core", version = "0.2"}
tracing-error = { path = "../tracing-error" }
tracing-flame = { path = "../tracing-flame" }
tracing-tower = { version = "0.1.0", path = "../tracing-tower" }
tracing-subscriber = { path = "../tracing-subscriber", version = "0.3", features = ["json"] }
tracing-subscriber = { path = "../tracing-subscriber", version = "0.3", features = ["json", "env-filter"] }
tracing-futures = { version = "0.3", path = "../tracing-futures", features = ["futures-01"] }
tracing-attributes = { path = "../tracing-attributes", version = "0.2"}
tracing-log = { path = "../tracing-log", version = "0.2", features = ["env_logger"] }
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4 changes: 2 additions & 2 deletions tracing-subscriber/Cargo.toml
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Expand Up @@ -23,7 +23,7 @@ keywords = ["logging", "tracing", "metrics", "subscriber"]

[features]

default = ["env-filter", "smallvec", "fmt", "ansi", "tracing-log", "json"]
default = ["smallvec", "fmt", "ansi", "tracing-log"]
env-filter = ["matchers", "regex", "lazy_static", "tracing"]
fmt = ["registry"]
ansi = ["fmt", "ansi_term"]
Expand All @@ -36,7 +36,7 @@ local-time = ["time/local-offset"]
[dependencies]
tracing-core = { path = "../tracing-core", version = "0.2" }

# only required by the filter feature
# only required by the `env-filter` feature
tracing = { optional = true, path = "../tracing", version = "0.2", default-features = false, features = ["std"] }
matchers = { optional = true, version = "0.1.0" }
regex = { optional = true, version = "1", default-features = false, features = ["std"] }
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1 change: 1 addition & 0 deletions tracing-subscriber/benches/reload.rs
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@@ -1,3 +1,4 @@
#![cfg(feature = "env-filter")]
use criterion::{criterion_group, criterion_main, Criterion};
use tracing_subscriber::{
filter::LevelFilter,
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7 changes: 4 additions & 3 deletions tracing-subscriber/src/lib.rs
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Expand Up @@ -23,21 +23,22 @@
//! ## Feature Flags
//!
//! - `env-filter`: Enables the [`EnvFilter`] type, which implements filtering
//! similar to the [`env_logger` crate]. Enabled by default.
//! similar to the [`env_logger` crate].
//! - `fmt`: Enables the [`fmt`] module, which provides a subscriber
//! implementation for printing formatted representations of trace events.
//! Enabled by default.
//! - `ansi`: Enables `fmt` support for ANSI terminal colors. Enabled by
//! default.
//! - `registry`: enables the [`registry`] module. Enabled by default.
//! - `json`: Enables `fmt` support for JSON output. In JSON output, the ANSI feature does nothing.
//! - `json`: Enables `fmt` support for JSON output. In JSON output, the ANSI
//! feature does nothing.
//! - [`local-time`]: Enables local time formatting when using the [`time`
//! crate]'s timestamp formatters with the `fmt` subscriber.
//!
//! ### Optional Dependencies
//!
//! - [`tracing-log`]: Enables better formatting for events emitted by `log`
//! macros in the `fmt` subscriber. On by default.
//! macros in the `fmt` subscriber. Enabled by default.
//! - [`time`]: Enables support for using the [`time` crate] for timestamp
//! formatting in the `fmt` subscriber.
//! - [`smallvec`]: Causes the `EnvFilter` type to use the `smallvec` crate (rather
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