Code Explainers

Code explainers tagged #pattern matching

rust 
#[derive(Debug, PartialEq)]
enum State {
    FieldStart,
    InUnquoted,

Parsing a CSV line with a state machine

state machine parsing enums
Intermediate 9 steps
rust 
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
enum State {
    Locked,
    Unlocked,

A turnstile state machine in Rust

state machine enums pattern matching
Intermediate 9 steps
ruby 
module DeepFreeze
  module_function
 
  def call(obj)

Recursively freezing nested Ruby data

recursion immutability pattern matching
Intermediate 9 steps