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5d08634501
This branch adds initial support for using the [`valuable`] crate as an opt-in `Value` type in `tracing`. `valuable` provides a mechanism for defining custom ways to record user-implemented types, as well as structured recording of standard library data structures such as maps, arrays, and sets. For more details, see the tracking issue #1570. In `tracing` v0.2, the intent is for `valuable` to replace the existing `tracing_core::field::Value` trait. However, in v0.1.x, `valuable` support must be added in a backwards-compatible way, so recording types that implement `valuable::Valueable` currently requires opting in using a `field::valuable` wrapper function. Since this is the first release of `valuable` and the API is still stabilizing, we don't want to tie `tracing-core`'s stability to `valuable`'s. Therefore, the valuable dependency is feature-flagged *and* also requires `RUSTFLAGS="--cfg tracing_unstable"`. [`valuable`]: https://github.com/tokio-rs/valuable Co-authored-by: Daniel McKenna <daniel@emotech.co> Co-authored-by: David Barsky <me@davidbarsky.com> Co-authored-by: Eliza Weisman <eliza@buoyant.io>
45 lines
1.0 KiB
TOML
45 lines
1.0 KiB
TOML
[package]
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name = "tracing-core"
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# When releasing to crates.io:
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# - Remove path dependencies
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# - Update html_root_url.
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# - Update doc url
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# - Cargo.toml
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# - README.md
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# - Update CHANGELOG.md.
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# - Create "v0.1.x" git tag.
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version = "0.1.21"
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authors = ["Tokio Contributors <team@tokio.rs>"]
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license = "MIT"
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readme = "README.md"
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repository = "https://github.com/tokio-rs/tracing"
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homepage = "https://tokio.rs"
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description = """
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Core primitives for application-level tracing.
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"""
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categories = [
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"development-tools::debugging",
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"development-tools::profiling",
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"asynchronous",
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]
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keywords = ["logging", "tracing", "profiling"]
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edition = "2018"
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rust-version = "1.42.0"
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[features]
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default = ["std", "valuable/std"]
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std = ["lazy_static"]
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[badges]
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maintenance = { status = "actively-developed" }
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[dependencies]
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lazy_static = { version = "1", optional = true }
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[target.'cfg(tracing_unstable)'.dependencies]
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valuable = { version = "0.1.0", optional = true, default_features = false }
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[package.metadata.docs.rs]
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all-features = true
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rustdoc-args = ["--cfg", "docsrs"]
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