Struct LessonQuiz 

pub struct LessonQuiz { /* private fields */ }

A lesson’s one question.

Implementations

impl LessonQuiz

pub fn state(&self) -> QuizState

pub fn wrong_attempts(&self) -> u32

Wrong answers so far.

pub fn answer(&mut self, correct: bool)

Grade an answer. Ignored once the question is settled.

pub fn can_show_answer(&self) -> bool

Whether the answer may be shown: after a wrong try, before the question is settled.

pub fn show_answer(&mut self) -> bool

Show the answer. false when it may not be shown yet.

pub fn is_settled(&self) -> bool

Whether the question is answered or shown: it takes no more answers.

pub fn can_continue(&self) -> bool

Whether the learner may move on to the next lesson.

Trait Implementations

impl Clone for LessonQuiz

fn clone(&self) -> LessonQuiz

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for LessonQuiz

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for LessonQuiz

fn default() -> LessonQuiz

Returns the “default value” for a type.

impl PartialEq for LessonQuiz

fn eq(&self, other: &LessonQuiz) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Copy for LessonQuiz

impl Eq for LessonQuiz

impl StructuralPartialEq for LessonQuiz