spdlog-rs 0.3.13

A fast and combinable Rust logging crate, inspired by the C++ logging library spdlog
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23

use std::fmt::Write;

use crate::{
    formatter::pattern_formatter::{Pattern, PatternContext},
    Error, Record, StringBuf,
};

/// A pattern that writes the logger's name into the output. Example:
/// `my-logger`.
#[derive(Clone, Default)]
pub struct LoggerName;

impl Pattern for LoggerName {
    fn format(
        &self,
        record: &Record,
        dest: &mut StringBuf,
        _ctx: &mut PatternContext,
    ) -> crate::Result<()> {
        dest.write_str(record.logger_name().unwrap_or(""))
            .map_err(Error::FormatRecord)
    }
}