fix cli style

src/main.odin

@@ -4,25 +4,33 @@ import "core:fmt"
 import "core:net"
 import "core:os"
 
-USAGE :: `usage: hanabi (-c[onnect]:<server-ip:port> | -h[ost]:<p1> <p2> [p3] [p4] [p5])
+USAGE :: `usage: hanabi (-c[onnect] <p0> | -h[ost] <p1> <p2> [p3] [p4] [p5])
+where px is of the form ip:port
 
-example host: \
+example host:
   $ hanabi -h 127.0.0.1:42069 127.0.0.1:42070
 
-example player: \
-  $ hanabi -c 127.0.0.1:42069`
+example player 1:
+  $ hanabi -c 127.0.0.1:42069
+
+example player 2:
+  $ hanabi -c 127.0.0.1:42070`
 
 
 main :: proc() {
-	n := len(os.args) - 2
+	ok := false
+	N := len(os.args) - 2
+	defer if !ok do fmt.println(USAGE)
+	if N <= 0 do return
+
 	switch os.args[1] {
 	case "-c", "-connect", "--connect":
-		assert(n == 1)
+		if N != 1 do return
 		addr, ok := net.parse_endpoint(os.args[2])
 		if !ok do panic(fmt.tprintln("failed to parse host endpoint:", os.args[2]))
 		run_client(addr)
-	case "-H", "-host", "--host":
-		assert(2 <= n && n <= 5)
+	case "-h", "-host", "--host":
+		if !(2 <= N && N <= 5) do return
 		addrs: [dynamic]net.Endpoint
 		defer delete(addrs)
 		for addr_str in os.args[2:] {
@@ -32,8 +40,8 @@ main :: proc() {
 		}
 		run_server(addrs[:])
 	case:
-		fmt.println(USAGE)
 		return
 	}
+	ok = true
 }