[lib] Fix doc tests

Signed-off-by: Ben Aaron Goldberg <ben@benaaron.dev>

src/lib.rs

@@ -8,6 +8,7 @@
 //! ## Basic Usage
 //!
 //! ```
+//! # use pronouns_today::user_preferences::ParseError;
 //! use pronouns_today::InstanceSettings;
 //!
 //! let instance_settings = InstanceSettings::default(); // Or load from a config file
@@ -15,9 +16,10 @@
 //! // When you receive a request
 //! let user_name = Some("Emi");
 //! let user_prefstr = Some("acaqqbykawbag");
-//! let pronouns = instance_settings.select_pronouns(user_name, user_prefstr);
+//! let pronouns = instance_settings.select_pronouns(user_name, user_prefstr)?;
 //!
 //! println!("Your pronouns are: {}", pronouns);
+//! # Ok::<(), ParseError>(())
 //! ```
 //!
 //! ## Advanced Usage
@@ -74,12 +76,15 @@ impl InstanceSettings {
     /// This is shorthand for
     ///
     /// ```
+    /// # use crate::pronouns_today::user_preferences::Preference;
+    /// # use pronouns_today::user_preferences::ParseError;
 	/// # use pronouns_today::InstanceSettings;
     /// # let settings = InstanceSettings::default();
     /// # let name = String::from("Sashanoraa");
-    /// # let prefstring = String::from("todo");
+    /// # let prefstring = String::from("acaqebicadbqaaa");
-    /// let pronouns = InstanceSettings::parse_prefstring(Some(&prefstring))?.select_pronouns(&settings, Some(&name));
+    /// let pronouns = InstanceSettings::parse_prefstring(Some(&prefstring))?.select_pronoun(&settings, Some(&name));
     /// # assert_eq!(pronouns, settings.select_pronouns(Some(&name), Some(&prefstring)));
+    /// # Ok::<(), ParseError>(())
     /// ```
     pub fn select_pronouns(&self, name: Option<&str>, pref_string: Option<&str>) -> Result<&Pronoun, ParseError> {
 		Self::parse_prefstring(pref_string)?.select_pronoun(&self, name)

src/user_preferences/mod.rs

@@ -100,10 +100,14 @@ pub trait Preference {
 	/// Is shorthand for
 	///
 	/// ```
-	/// # use pronouns_today::InstanceSettings;
+    /// # use pronouns_today::user_preferences::ParseError;
+	/// # use pronouns_today::{InstanceSettings, UserPreferences};
+    /// # use crate::pronouns_today::user_preferences::Preference;
 	/// # let settings = InstanceSettings::default();
 	/// # let seed = &[];
-	/// self.into_weighted_table(settings)?.select_today(seed)
+    /// # let prefs = UserPreferences::default();
+	/// prefs.create_weighted_table(&settings)?.select_today(seed);
+    /// # Ok::<(), ParseError>(())
 	/// ```
 	fn select_pronoun<'a>(&self, settings: &'a InstanceSettings, name: Option<&str>) -> Result<&'a Pronoun, ParseError> {
 		let seed = match name {

src/user_preferences/v0.rs

@@ -306,7 +306,7 @@ mod tests {
 	fn check_table(actual: WeightedTable<&Pronoun>, expected: Vec<(&str, u8)>) {
 		let actual_simplified = actual.weights()
 			.into_iter()
-			.filter(|(pronoun, weight)| **weight > 0)
+			.filter(|(_, weight)| **weight > 0)
 			.map(|(pronoun, weight)| (pronoun.subject_pronoun.as_str(), *weight))
 			.collect::<HashMap<&str, u8>>();
 		let expected_owned = expected.into_iter()
@@ -362,6 +362,7 @@ mod tests {
 			("they", 3),
 			("it",   3),
 		];
+		check_table(table, expected_table);
 	}
 
 	#[test]