Struct PatternMatchRecognizer 

pub struct PatternMatchRecognizer;

Recognizes pattern matching structures

Implementations

impl PatternMatchRecognizer

pub fn new() -> Self

pub fn has_immediate_return(&self, block: &Block) -> bool

Check if an expression has an immediate return

pub fn extract_tested_variable(&self, expr: &Expr) -> Option<String>

Extract the variable being tested in a condition

pub fn extract_field_path(&self, expr: &Expr) -> Option<String>

Extract field path like self.field or obj.field

pub fn detect_pattern_type(&self, expr: &Expr) -> PatternType

Detect the type of pattern being matched

pub fn analyze_if_chain( &self, if_expr: &ExprIf, tracked_var: &mut Option<String>, ) -> Option<(Vec<()>, Vec<PatternType>, bool)>

Analyze an if-else chain to see if it’s pattern matching

Trait Implementations

impl Default for PatternMatchRecognizer

fn default() -> Self

Returns the “default value” for a type.

impl PatternRecognizer for PatternMatchRecognizer

fn detect(&self, block: &Block) -> Option<PatternMatchInfo>

fn adjust_complexity(&self, info: &PatternMatchInfo, _base: u32) -> u32