util

func Filter ¶

func Filter[T any](ts []T, f func(T) bool) []T

Filter a list, return only elements that return true for the compare method.

func GetMapKeys ¶

func GetMapKeys[K comparable, V any](data map[K]V) []K

func Hamming ¶

func Hamming(a, b string) int

Calculate Hamming distance between two strings. see https://en.wikipedia.org/wiki/Hamming_distance

func Map ¶

func Map[T, U any](ts []T, f func(T) U) []U

Return a list of elements, where the new element is the result of running the passed function.

func ParseInt ¶

func ParseInt(value string) int

Parse an integer, panic if an error happened.

func ReadFile ¶

func ReadFile(input string) ([]string, error)

Read a complete file line by line into memory.

func Sum ¶

func Sum[T Number](ts []T) T

Sum a slice/array of numbers.

func SumOccurrences ¶

func SumOccurrences(data [][]int) map[int]int