fern

library0.7.1rscratesunverified

Simple, efficient logging for Rust.

# Cargo.toml
[dependencies]
fern = "0.7.1"

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INSTALL

IMPORT

SIG · FERN

fern

loggingrustv0.7.1

harness data pending

Install & Compatibility

Where this runs

No compatibility data collected yet for this library.

Code

Verified usage

Verified import paths — ran on the pinned version, not inferred.

Dispatch

✓ use fern::Dispatch;

Sets up a basic logger that outputs to stdout with a custom format.

use fern::Dispatch; fn main() { Dispatch::new() .format(|out, message, record| out.finish(format_args!("[{}] {}", record.level(), message))) .chain(std::io::stdout()) .apply() .unwrap(); log::info!("Hello, world!"); }

Debug

Known issues

gotchaRequires the `log` crate as a dependency to use logging macros.

fix

Add `log` to your Cargo.toml dependencies.

affects: >=0.7.0

Upgrade

Version history

0.7.1latest on crates.io

Audit

Dependencies

No dependency data recorded yet.

Agent activity

34 hits · last 30 days

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Resources

githubhttps://github.com/daboross/fern ↗

homepagehttps://github.com/daboross/fern ↗

docshttps://docs.rs/fern/ ↗