Set default format to html

src/main.rs

@@ -2,6 +2,7 @@ use snekdown::format::html::ToHtml;
 use snekdown::parser::Parser;
 use std::fs::write;
 use std::time::Instant;
+use termion::style;
 
 use std::path::PathBuf;
 use structopt::StructOpt;
@@ -12,7 +13,7 @@ struct Opt {
     input: PathBuf,
     #[structopt(parse(from_os_str))]
     output: PathBuf,
-    #[structopt(short, long)]
+    #[structopt(short, long, default_value = "html")]
     format: String,
 }
 
@@ -21,9 +22,12 @@ fn main() {
     let start = Instant::now();
     let mut parser = Parser::new_from_file(opt.input.to_str().unwrap().to_string()).unwrap();
     let document = parser.parse();
-    println!("Total duration: {:?}", start.elapsed());
+    println!("{}Parsing took:     {:?}", style::Italic, start.elapsed());
+    let start_render = Instant::now();
     match opt.format.as_str() {
         "html" => write(opt.output.to_str().unwrap(), document.to_html()).unwrap(),
         _ => println!("Unknown format {}", opt.format),
     }
+    println!("Rendering took:   {:?}", start_render.elapsed());
+    println!("Total:            {:?}{}", start.elapsed(), style::Reset)
 }