Move punycode functions to client.go

client.go

@@ -7,6 +7,9 @@ import (
 	"net"
 	"net/url"
 	"time"
+	"unicode/utf8"
+
+	"golang.org/x/net/idna"
 )
 
 // A Client is a Gemini client. Its zero value is a usable client.
@@ -202,3 +205,23 @@ func splitHostPort(hostport string) (host, port string) {
 	}
 	return
 }
+
+func isASCII(s string) bool {
+	for i := 0; i < len(s); i++ {
+		if s[i] >= utf8.RuneSelf {
+			return false
+		}
+	}
+	return true
+}
+
+// punycodeHostname returns the punycoded version of hostname.
+func punycodeHostname(hostname string) (string, error) {
+	if net.ParseIP(hostname) != nil {
+		return hostname, nil
+	}
+	if isASCII(hostname) {
+		return hostname, nil
+	}
+	return idna.Lookup.ToASCII(hostname)
+}

punycode.go

@@ -1,28 +0,0 @@
-package gemini
-
-import (
-	"net"
-	"unicode/utf8"
-
-	"golang.org/x/net/idna"
-)
-
-func isASCII(s string) bool {
-	for i := 0; i < len(s); i++ {
-		if s[i] >= utf8.RuneSelf {
-			return false
-		}
-	}
-	return true
-}
-
-// punycodeHostname returns the punycoded version of hostname.
-func punycodeHostname(hostname string) (string, error) {
-	if net.ParseIP(hostname) != nil {
-		return hostname, nil
-	}
-	if isASCII(hostname) {
-		return hostname, nil
-	}
-	return idna.Lookup.ToASCII(hostname)
-}