util

func Append ¶

func Append(slice []int, s int) []int

Append appends the integer when it not already in the slice.

func Contains ¶

func Contains(slice []int, s int) bool

Contains returns true when s is in slice.

func ContainsString ¶

func ContainsString(list []string, s string) bool

ContainsString returns true when s in slice.

func DetectContentType ¶

func DetectContentType(r io.Reader) string

DetectContentType detects the ContentType from the first 512 bytes of the given io.Reader.

func Remove ¶

func Remove(slice []int, s int) []int

Remove element from slice.

func ResizeImage ¶

func ResizeImage(file io.Reader, maxDimension int) (image.Image, error)

func SaveImage ¶

func SaveImage(img image.Image, path string) error