add Go Report Card badge to readme

gometalinter changes

.gitignore

@@ -6,6 +6,8 @@
 # Folders
 _obj
 _test
+.vscode
+-trash
 
 # Architecture specific extensions/prefixes
 *.[568vq]

README.md

@@ -20,6 +20,7 @@ go test ./...
  ![Windows Build Status](https://simonwaldherr.de/icon/win.png) | [![Build status](https://img.shields.io/appveyor/ci/SimonWaldherr/golibs.svg?style=flat-square)](https://ci.appveyor.com/project/SimonWaldherr/golibs/branch/master) | appveyor.com | test under windows  
  ![Linux Build Status](https://simonwaldherr.de/icon/tux.png) | [![Build status](https://magnum-ci.com/status/e9ccc5689f4135e4021475bfdf0cf527.png)](https://magnum-ci.com/public/c4dba43a1c41dbff557e/builds) | magnum-ci.com | just another ci service  
  ![Linux Build Status](https://simonwaldherr.de/icon/tux1.png) | [![Build Status](https://semaphoreci.com/api/v1/projects/fe1a7a53-a2c0-4bc0-a539-4af4ef13d49f/487313/shields_badge.svg)](https://semaphoreci.com/simonwaldherr/golibs) | semaphoreci.com | yet another ci service  
+   | [![Go Report Card](http://goreportcard.com/badge/simonwaldherr/golibs)](http://goreportcard.com/report/simonwaldherr/golibs) | goreportcard.com | report card  
    | [![Coverage Status](https://img.shields.io/coveralls/SimonWaldherr/golibs.svg?style=flat-square)](https://coveralls.io/r/SimonWaldherr/golibs) | coveralls.io | test coverage  
    | [![codecov.io](http://codecov.io/github/SimonWaldherr/golibs/coverage.svg?branch=master)](http://codecov.io/github/SimonWaldherr/golibs?branch=master) | codecov.io | test coverage  
    | [![Coverage Status](https://img.shields.io/coveralls/SimonWaldherr/golibs.svg?style=flat-square)](https://simonwaldherr.de/gocover/golibs/) |  | go tool cover  

ansi/ansi.go

@@ -1,11 +1,12 @@
-// with this package you can print colored and styled text to your terminal.
+// Package ansi can print colored and styled text to your terminal.
 package ansi
 
 import (
 	"fmt"
 	"log"
 )
 
+// Col defines supported colors
 type Col int
 
 // defines supported colors
@@ -19,6 +20,8 @@ const (
 	Cyan
 	White
 )
+
+// defines text styling options
 const (
 	TReset = Col(iota)
 	TBold
@@ -56,6 +59,7 @@ const (
 	BgWhite
 )
 
+// Set sets styling options on strings and stringable interfaces
 func Set(str interface{}, Attribute ...Col) string {
 	var rstr = fmt.Sprint(str)
 	for _, attr := range Attribute {
@@ -69,7 +73,7 @@ func Color(str interface{}, col Col) string {
 	return fmt.Sprintf("\033[3%vm%v\033[0m", col, str)
 }
 
-// Color adds the color code of col as background color to str and returns as string
+// BgColor adds the color code of col as background color to str and returns as string
 func BgColor(str interface{}, col Col) string {
 	return fmt.Sprintf("\033[4%vm%v\033[0m", col, str)
 }
@@ -84,6 +88,7 @@ func Underline(str interface{}) string {
 	return fmt.Sprintf("\033[4m%v\033[0m", str)
 }
 
+// Log prints red text via log package
 func Log(valuea ...interface{}) interface{} {
 	if valuea[1] != nil {
 		log.Println(Color(valuea[1], Red))

as/as.go

@@ -1,4 +1,4 @@
-// The "as" package helps by converting various data types to various other types
+// Package as helps by converting various data types to various other types
 package as
 
 import (
@@ -469,6 +469,7 @@ func DBType(str string) string {
 	}
 }
 
+// DBTypeMultiple returns the lowest common denominator of a type for all inserted DBTypes
 func DBTypeMultiple(val []string) string {
 	var typeint int
 	for _, typ := range val {

as/as_test.go

@@ -305,7 +305,7 @@ func Test_Uint(t *testing.T) {
 	}
 }
 
-func println_type(t *testing.T, str, type1, type2 string) {
+func printlnType(t *testing.T, str, type1, type2 string) {
 	t1, err := Type(str)
 
 	if err != nil {
@@ -323,24 +323,24 @@ func println_type(t *testing.T, str, type1, type2 string) {
 }
 
 func Test_Type(t *testing.T) {
-	println_type(t, "true", "bool", "bool")
-	println_type(t, "1000", "int", "int")
-	println_type(t, "2^16", "int", "int")
-	println_type(t, "10E24", "int", "int")
-	println_type(t, "10 EUR", "price", "string")
-	println_type(t, "10.23 £", "price", "string")
-	println_type(t, "01.01.1970", "date", "string")
-	println_type(t, "06.06.1989", "date", "string")
-	println_type(t, "2015-05-04T13:37:42", "date", "string")
-	println_type(t, "[email protected]", "email", "string")
-	println_type(t, "978-3499626005", "isbn", "string")
-	println_type(t, "127.0.0.1", "ipv4", "string")
-	println_type(t, "2a01:4f8:192:34aa::10", "ipv6", "string")
-	println_type(t, "b8:c7:5d:c6:6c:c6", "mac", "string")
-	println_type(t, "#fefefe", "color", "string")
-	println_type(t, "THk4Z1JFSlVlWEJsSUhKbGRIVnlibk1nWVNCRVlYUmhZbUZ6WlNCVWVYQmxJRzltSUdFZ2MzUnlhVzVuTGcwS1puVnVZeUJFUWxSNWNHVW9jM1J5SUhOMGNtbHVaeWtnYzNSeWFXNW5JSHNOQ2dsMExDQmxjbklnT2owZ1ZIbHdaU2h6ZEhJcERRb0phV1lnWlhKeUlDRTlJRzVwYkNCN0RRb0pDWEpsZEhWeWJpQWljM1J5YVc1bklnMEtDWDBOQ2dsemQybDBZMmdnZENCN0RRb0pZMkZ6WlNBaVltOXZiQ0lzSUNKcGJuUWlMQ0FpYzNSeWFXNW5JaXdnSW1ac2IyRjBJam9OQ2drSmNtVjBkWEp1SUhRTkNnbGtaV1poZFd4ME9nMEtDUWx5WlhSMWNtNGdJbk4wY21sdVp5SU5DZ2w5RFFwOQ==", "base64", "string")
-	println_type(t, "!\"#$%&'()*+,-./0123456789:;<=>?@[\\]^_`{|}~ ", "string", "string")
-	println_type(t, "😃", "", "string")
+	printlnType(t, "true", "bool", "bool")
+	printlnType(t, "1000", "int", "int")
+	printlnType(t, "2^16", "int", "int")
+	printlnType(t, "10E24", "int", "int")
+	printlnType(t, "10 EUR", "price", "string")
+	printlnType(t, "10.23 £", "price", "string")
+	printlnType(t, "01.01.1970", "date", "string")
+	printlnType(t, "06.06.1989", "date", "string")
+	printlnType(t, "2015-05-04T13:37:42", "date", "string")
+	printlnType(t, "[email protected]", "email", "string")
+	printlnType(t, "978-3499626005", "isbn", "string")
+	printlnType(t, "127.0.0.1", "ipv4", "string")
+	printlnType(t, "2a01:4f8:192:34aa::10", "ipv6", "string")
+	printlnType(t, "b8:c7:5d:c6:6c:c6", "mac", "string")
+	printlnType(t, "#fefefe", "color", "string")
+	printlnType(t, "THk4Z1JFSlVlWEJsSUhKbGRIVnlibk1nWVNCRVlYUmhZbUZ6WlNCVWVYQmxJRzltSUdFZ2MzUnlhVzVuTGcwS1puVnVZeUJFUWxSNWNHVW9jM1J5SUhOMGNtbHVaeWtnYzNSeWFXNW5JSHNOQ2dsMExDQmxjbklnT2owZ1ZIbHdaU2h6ZEhJcERRb0phV1lnWlhKeUlDRTlJRzVwYkNCN0RRb0pDWEpsZEhWeWJpQWljM1J5YVc1bklnMEtDWDBOQ2dsemQybDBZMmdnZENCN0RRb0pZMkZ6WlNBaVltOXZiQ0lzSUNKcGJuUWlMQ0FpYzNSeWFXNW5JaXdnSW1ac2IyRjBJam9OQ2drSmNtVjBkWEp1SUhRTkNnbGtaV1poZFd4ME9nMEtDUWx5WlhSMWNtNGdJbk4wY21sdVp5SU5DZ2w5RFFwOQ==", "base64", "string")
+	printlnType(t, "!\"#$%&'()*+,-./0123456789:;<=>?@[\\]^_`{|}~ ", "string", "string")
+	printlnType(t, "😃", "", "string")
 }
 
 func Test_TypeMultiple(t *testing.T) {

cache/cache.go

@@ -1,4 +1,4 @@
-// simple caching with GC
+// Package cache simplifies caching with GC
 package cache
 
 import (
@@ -10,6 +10,7 @@ import (
 	"time"
 )
 
+// Item as a single object with an interface as value and two time.Time values for creation and expiration dates
 type Item struct {
 	Object     interface{}
 	Creation   time.Time
@@ -23,6 +24,7 @@ func (item *Item) isExpired() bool {
 	return item.Expiration.Before(time.Now())
 }
 
+// Cache is a storage for all Item items
 type Cache struct {
 	Expiration time.Duration
 	items      map[string]*Item
@@ -43,6 +45,7 @@ func (cache *Cache) String() string {
 	return str
 }
 
+// Set creates an Item in the cache, if there is already an item with that name it get overwritten
 func (cache *Cache) Set(key string, value interface{}) {
 	cache.items[key] = &Item{
 		Object:     value,
@@ -51,6 +54,7 @@ func (cache *Cache) Set(key string, value interface{}) {
 	}
 }
 
+// SetWithDuration does the same as Set but with an specific expiration date
 func (cache *Cache) SetWithDuration(key string, value interface{}, creation time.Time, duration time.Duration) {
 	cache.items[key] = &Item{
 		Object:     value,
@@ -59,10 +63,12 @@ func (cache *Cache) SetWithDuration(key string, value interface{}, creation time
 	}
 }
 
+// Time returns the creation date of a cached item
 func (cache *Cache) Time(key string) time.Time {
 	return cache.items[key].Creation
 }
 
+// Get returns the value of a cached item or nil if expired
 func (cache *Cache) Get(key string) interface{} {
 	item, ok := cache.items[key]
 	if !ok || item.isExpired() {
@@ -71,10 +77,12 @@ func (cache *Cache) Get(key string) interface{} {
 	return item.Object
 }
 
+// Delete deletes a cached item
 func (cache *Cache) Delete(key string) {
 	delete(cache.items, key)
 }
 
+// Add creates an cached item
 func (cache *Cache) Add(key string, value interface{}) bool {
 	item := cache.Get(key)
 	if item != nil {