Go Extensions

gext extends standard go libraries for commonly used programming patterns and utilities

concurency

premise implementation and event aggregator

data

Union

Union merge two maps.If existing map and altered map contains same key than value of existing is replaced by value of altered

union := extensions.Union(existingMap, alteredMap)

date

env

reading string from environment variable

env.MustGetStringFlagFromEnv(envLabels)

guard

guardians, panics or throw errors. It is bad practice to panic within library packages, return error instead

err := s.ListenAndServeTLS(certPath, keyPath)
guards.FailOnError(err, "server stopped")

if contentType := r.Header.Get("Content-Type"); contentType != httphead.ContentType.ApplicationJSON {
		guards.HttpThrowError(w, http.StatusInternalServerError, "Content-Type=%s, expect application/json", contentType)
		return
}

httphead

log

package main

import "github.com/kuritka/gext/log"

var logger = log.Log

func main(){
	logger.Panic().Msg("panic!")
}

{"level":"panic","time":"2020-03-02T16:29:20+01:00","caller":"/home/michal/go/src/gext/main.go:8","message":"panic!"}

parser

Used for parsing basic types values

.ToString()
.ToFloat64()
.ToInt()
...

rand

Random numbers and guids

reflection

Currently modifying structures. Add items to slices etc..