golog

Features

1. Unstructured
2. Leveled
3. With caller (file path / name and line number)
4. Customizable output layout
5. Rotating by size, date or hour
6. Cross platform, tested on Linux, macOS and Windows
7. No 3rd party dependancy
8. Fast

Installation

go get -u github.com/keakon/golog

Benchmarks

BenchmarkBufferedFileLogger-8   	 5000000	       294 ns/op	       0 B/op	       0 allocs/op
BenchmarkDiscardLogger-8        	 5000000	       254 ns/op	       0 B/op	       0 allocs/op
BenchmarkNopLog-8               	2000000000	         0.45 ns/op	       0 B/op	       0 allocs/op
BenchmarkMultiLevels-8           	 2000000	      1000 ns/op	       0 B/op	       0 allocs/op

Example output of the benchmarks:

[I 2018-11-20 17:05:37 log_test:118] test