Assert panic if err!=nil.

ParseVersion parse semantic version string.

Trace get call stack trace.

UUID generate random string with length n, chars of charmap, by default "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_".

Bytes custom bytes struct.

Duration custom duration struct.

Float64P2 format yaml, json, kv string to 2 precision.

Version semantic version.