Complete add functionality.

src/habitmgr.rs

@@ -39,7 +39,7 @@ impl HabitMgr
 			File::create(&habits_path)
 				.unwrap_or_else(|e| {
 					panic!("Error creating file {}:\n{}",
-								 habits_path.display(), e)
+								 habits_path.display(), e);
 				});
 		}
 		Self
@@ -78,6 +78,11 @@ impl HabitMgr
 			});
 
 		let habit = Habit::new(name, bad, weight);
+		serde_json::to_writer(habits_file, &habit)
+			.unwrap_or_else(|e| {
+				panic!("Error writing to file {}:\n{}",
+							 self.habits_path.display(), e);
+			})
 	}
 
 	pub fn list(&mut self, all:bool, verbose:bool)

src/main.rs

@@ -75,7 +75,7 @@ fn main()
 	let data_dir =
 		PathBuf::from(
 			env::var("XDG_DATA_HOME")
-			.unwrap_or_else(|e| { panic!("Error: {}", e) }))
+			.unwrap_or_else(|e| { panic!("Error: {}", e); }))
 		.join("htracker");
 
 	if data_dir.exists() && data_dir.is_file()
@@ -87,7 +87,7 @@ fn main()
 	{
 		println!("First run: files will be stored in {}", data_dir.display());
 		fs::create_dir_all(&data_dir)
-			.unwrap_or_else(|e| { panic!("Filesystem error: {}", e) });
+			.unwrap_or_else(|e| { panic!("Filesystem error: {}", e); });
 	}
 
 	let mut hmgr = HabitMgr::new(&data_dir);