89 lines
1.5 KiB
Go
89 lines
1.5 KiB
Go
package helper
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import (
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"fmt"
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"os"
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"strings"
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"time"
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)
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func check(e error) {
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if e != nil {
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panic(e)
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}
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}
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func RemoveError[T any](value T, e error) T {
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check(e)
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return value
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}
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func ReadTextFile(filePath string) []string {
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file, err := os.ReadFile(filePath)
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check(err)
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return strings.Split(string(file), "\r\n")
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}
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func GetKeysOfSetMap[T int | string](inputMap map[T]bool) []T {
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keys := make([]T, len(inputMap))
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i := 0
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for k := range inputMap {
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keys[i] = k
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i++
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}
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return keys
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}
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func MeasureTime(process string) func() {
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fmt.Printf("Start %s\n", process)
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start := time.Now()
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return func() {
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fmt.Printf("Time taken by %s is %v\n", process, time.Since(start).Nanoseconds())
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}
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}
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func FindRepeatedItems[T int | int64](itemgroup1, itemgroup2 []T) []T {
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elementsCompartment1 := map[T]bool{}
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repeatedElemnts := map[T]bool{}
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for _, item := range itemgroup1 {
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elementsCompartment1[item] = true
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}
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for _, item := range itemgroup2 {
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if elementsCompartment1[item] {
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repeatedElemnts[item] = true
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}
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}
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v := make([]T, 0, len(repeatedElemnts))
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for key, _ := range repeatedElemnts {
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v = append(v, key)
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}
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return v
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}
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func FindMax[T int | int64](slice []T) (m T) {
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for i, e := range slice {
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if i == 0 || e > m {
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m = e
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}
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}
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return
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}
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func Sum[T int | int64](slice []T) (s T) {
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for _, e := range slice {
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s += e
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}
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return
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}
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func Contains[T [2]int](elems []T, v T) bool {
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for _, s := range elems {
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if v == s {
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return true
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}
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}
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return false
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}
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