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iterators

rust 
use std::collections::HashMap;

#[derive(Debug, PartialEq)]
pub enum LogLevel {
    Info,
    Warn,

Streaming Log File Aggregation With Buffered Line Iteration in Rust

rust streaming file-io
by codesnips 3 tabs
rust 
fn main() {
    let numbers = vec![1, 2, 3, 4, 5];

    let sum: i32 = numbers
        .iter()
        .filter(|&&x| x % 2 == 0)

Iterator trait and combinators for zero-cost collection processing

rust iterators functional
by Marcus Chen 1 tab
rust 
use std::collections::VecDeque;

pub struct RollingAverage {
    buf: VecDeque<f64>,
    capacity: usize,
    sum: f64,

Rolling Average Over a Sliding Window of Sensor Readings in Rust

rust sliding-window streaming
by codesnips 2 tabs
rust 
use std::collections::HashSet;
use std::hash::Hash;

pub struct DedupByKey<I, K, F> {
    inner: I,
    key_fn: F,

Order-Preserving Stream Deduplication by Key in Rust with a HashSet Guard

rust streams deduplication
by codesnips 3 tabs
rust 
use chrono::NaiveDate;
use rust_decimal::Decimal;
use serde::{Deserialize, Deserializer};

#[derive(Debug, Clone, Deserialize)]
pub struct Transaction {

Aggregate CSV Transaction Totals per Category With Serde and csv Crate

rust csv serde
by codesnips 3 tabs
rust 
use std::str::FromStr;

#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum Frequency {
    Daily,
    Weekly,

Parse iCalendar RRULE and Recurrence Data into Typed Rust Enums

rust parsing icalendar
by codesnips 3 tabs
rust 
use once_cell::sync::Lazy;
use regex::Regex;
use std::str::FromStr;

#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, PartialOrd, Ord)]
pub enum Severity {

Grouping Log Lines by Severity and Emitting a Summary Report in Rust

logging parsing cli
by codesnips 3 tabs
rust 
mod chunker;mod parallel_hash;

use parallel_hash::{hash_buffer, root_hash};

const CHUNK_SIZE: usize = 64 * 1024;

Content-Defined Chunking With Parallel BLAKE3 Hashing Using Rayon

rust rayon parallelism
by codesnips 3 tabs