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53 lines
1.0 KiB
Go
53 lines
1.0 KiB
Go
package main
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import (
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"bufio"
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"os"
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"slices"
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"strings"
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)
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type character interface {
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int | rune
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}
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// Returns all elements in slice A that are NOT in slice B
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func setDifference[T comparable](s1 []T, s2 []T) []T {
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toReturn := make([]T, 0, len(s1))
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for _, val := range s1 {
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if !slices.Contains(s2, val) {
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toReturn = append(toReturn, val)
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}
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}
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return toReturn
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}
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// Generate numbers in a range - start (inclusive) to end (exclusive)
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func genRange[T character](start, end T) []T {
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toRet := make([]T, end-start)
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for i := start; i < end; i++ {
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toRet[i-start] = i
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}
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return toRet
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}
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// Returns whether or not the given file contains a NULL character
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func fileContainsNullChar(filename string) (bool, error) {
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file, err := os.Open(filename)
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if err != nil {
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return true, err
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}
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defer file.Close()
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scanner := bufio.NewScanner(file)
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for scanner.Scan() {
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line := scanner.Text()
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if strings.Contains(line, "\000") {
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return true, nil
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}
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}
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if err := scanner.Err(); err != nil {
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return true, err
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}
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return false, nil
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}
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