util

Documentation

Overview

Package util contains general helper functions.

Index

• func Difference(list []string, set map[string]struct{}) []string
• func DownloadImageData(url string) (string, []byte, error)
• func Intersection(list []string, set map[string]struct{}) []string
• func ListKeys[T any](m map[string]T) []string
• func MinInt(nums []int) int
• func ToSet(list []string) map[string]struct{}

Functions

func Difference

func Difference(list []string, set map[string]struct{}) []string

Difference returns the elements in list that are not in set.

func DownloadImageData

func DownloadImageData(url string) (string, []byte, error)

downloadImageData downloads the content from the given URL and returns the image type and data. The image type is the second part of the response's MIME (e.g. "png" from "image/png").

func Intersection

func Intersection(list []string, set map[string]struct{}) []string

Intersection returns the elements in list that are in set.

func ListKeys

func ListKeys[T any](m map[string]T) []string

func MinInt

func MinInt(nums []int) int

MinInt returns the minimum value in nums. If nums is empty, it returns 0.

func ToSet

func ToSet(list []string) map[string]struct{}

ToSet converts a list to a set.