From: Matt Joiner <anacrolix@gmail.com>
Date: Mon, 9 Nov 2015 12:05:52 +0000 (+1100)
Subject: internal/cmd/bloom-false-positives: Switch to tagflag
X-Git-Tag: v1.0.0~991
X-Git-Url: http://www.git.stargrave.org/?a=commitdiff_plain;h=cb782aa3037b854b06cb070b30b9163742f1d46f;p=btrtrc.git

internal/cmd/bloom-false-positives: Switch to tagflag

Was looking at using github.com/tylertreat/BoomFilters instead of github.com/willf/bloom
---

diff --git a/internal/cmd/bloom-false-positives/main.go b/internal/cmd/bloom-false-positives/main.go
index 0b94480a..456e2106 100644
--- a/internal/cmd/bloom-false-positives/main.go
+++ b/internal/cmd/bloom-false-positives/main.go
@@ -2,18 +2,20 @@ package main
 
 import (
 	"bufio"
-	"flag"
 	"fmt"
 	"os"
 
+	"github.com/anacrolix/tagflag"
 	"github.com/willf/bloom"
 )
 
 func main() {
-	m := flag.Uint("m", 0, "")
-	k := flag.Uint("k", 0, "")
-	flag.Parse()
-	filter := bloom.New(*m, *k)
+	var args struct {
+		M uint `help:"num bits"`
+		K uint `help:"num hashing functions"`
+	}
+	tagflag.Parse(&args, tagflag.Description("adds lines from stdin to a bloom filter with the given configuration, and gives collision stats at EOF"))
+	filter := bloom.New(args.M, args.K)
 	scanner := bufio.NewScanner(os.Stdin)
 	n := 0
 	collisions := 0