Struct TutorScores 

pub struct TutorScores {
    pub lessons: HashMap<u32, u32>,
}

Fields

lessons: HashMap<u32, u32>

lesson number (1-based) → all-time high score for that lesson.

Implementations

impl TutorScores

pub fn high_score(&self, lesson: u32) -> u32

High score for lesson, or 0 if never completed.

pub fn record(&mut self, lesson: u32, score: u32) -> bool

Update the high score for lesson if score beats the current record. Returns true when the record was broken.

pub fn load_or_default() -> Self

Load from the XDG data dir, returning a default (empty) instance on any I/O or parse error.

pub fn save(&self)

Persist to the XDG data dir. Logs and swallows any I/O errors.

Trait Implementations

impl Clone for TutorScores

fn clone(&self) -> TutorScores

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for TutorScores

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

Formats the value using the given formatter.

impl Default for TutorScores

fn default() -> TutorScores

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for TutorScores

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for TutorScores

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.