gaugendre/go-primes-counter
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Improve argument parsing

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This commit is contained in:
Gabriel Augendre 2021-08-23 13:13:51 +02:00
parent 48beae409c
commit 58028d59ea
1 changed files with 6 additions and 6 deletions
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12
main.go
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@ -79,13 +79,13 @@ func IsPrime(n int) bool {
return true return true
} }
func parseArgs() (int, int, int, int) { func parseArgs() (start, max, step, printCount int) {
start := flag.Int("start", 0, "The start number") flag.IntVar(&start, "start", 0, "The start number")
max := flag.Int("max", 10_000, "The end value") flag.IntVar(&max, "max", 10_000, "The end value")
step := flag.Int("step-size", 1_000, "The job size") flag.IntVar(&step, "step-size", 1_000, "The job size")
printCountDesc := `Number of primes to print. -1 to print all. printCountDesc := `Number of primes to print. -1 to print all.
Primes are not guaranteed to be sorted.` Primes are not guaranteed to be sorted.`
printCount := flag.Int("print-count", 20, printCountDesc) flag.IntVar(&printCount, "print-count", 20, printCountDesc)
flag.Parse() flag.Parse()
return *start, *max, *step, *printCount return
} }