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Diffstat (limited to 'args.go')
-rw-r--r--args.go13
1 files changed, 9 insertions, 4 deletions
diff --git a/args.go b/args.go
index a211435..d0f5da9 100644
--- a/args.go
+++ b/args.go
@@ -11,10 +11,11 @@ const ProgramVersion = "1.0.0-alpha+dev"
// The arguments to this program
type args struct {
- Radix uint
- Compact bool
- FullMap bool
- ExactMTCLarge bool
+ Radix uint
+ Compact bool
+ FullMap bool
+ ExactMTCLarge bool
+ TotativeDigits bool
// If true, exit the program immediately after parsing args.
Exit bool
}
@@ -28,6 +29,8 @@ func parseArgs() (args, error) {
flag.BoolVar(&a.ExactMTCLarge, "m", false,
fmt.Sprintf("Calculate exact MTC for very large radices (up to %d instead of %d), which may take a while.",
maxExtended, maxNormal))
+ flag.BoolVar(&a.TotativeDigits, "t", false,
+ "Calculate the radix's totative digits instead of just how many there are; incompatible with -c.")
help := flag.Bool("?", false,
"Get information about program usage then exit")
version := flag.Bool("V", false,
@@ -40,6 +43,8 @@ func parseArgs() (args, error) {
} else if *version {
fmt.Println("Radix Info version", ProgramVersion)
return args{Exit: true}, nil
+ } else if a.Compact && a.TotativeDigits {
+ return args{}, errors.New("You cannot use both -t and -c at the same time.")
} else {
if flag.NArg() == 1 {
if radix, err := strconv.ParseUint(flag.Arg(0), 0, 0); err == nil {