extarray 1.1.2

Space-Efficient Extensible Arrays
Documentation 
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//
// Copyright (c) 2025 Nathan Fiedler
//
use extarray::ExtensibleArray;
use std::time::Instant;

fn benchmark_extarray(size: usize) {
    let start = Instant::now();
    let mut coll: ExtensibleArray<usize> = ExtensibleArray::new();
    for value in 0..size {
        coll.push(value);
    }
    let duration = start.elapsed();
    println!("extarray create: {:?}", duration);

    // test sequenced access for entire collection
    let start = Instant::now();
    for (index, value) in coll.iter().enumerate() {
        assert_eq!(*value, index);
    }
    let duration = start.elapsed();
    println!("extarray ordered: {:?}", duration);

    let unused = coll.capacity() - coll.len();
    println!("unused capacity: {unused}");

    // test popping all elements from the array
    let start = Instant::now();
    while !coll.is_empty() {
        coll.pop();
    }
    let duration = start.elapsed();
    println!("extarray pop-all: {:?}", duration);
    println!("extarray capacity: {}", coll.capacity());
}

fn benchmark_vector(size: usize) {
    let start = Instant::now();
    let mut coll: Vec<usize> = Vec::new();
    for value in 0..size {
        coll.push(value);
    }
    let duration = start.elapsed();
    println!("vector create: {:?}", duration);

    // test sequenced access for entire collection
    let start = Instant::now();
    for (index, value) in coll.iter().enumerate() {
        assert_eq!(*value, index);
    }
    let duration = start.elapsed();
    println!("vector ordered: {:?}", duration);

    let unused = coll.capacity() - coll.len();
    println!("unused capacity: {unused}");

    // test popping all elements from the vector
    let start = Instant::now();
    while !coll.is_empty() {
        coll.pop();
    }
    let duration = start.elapsed();
    println!("vector pop-all: {:?}", duration);
    println!("vector capacity: {}", coll.capacity());
}

fn main() {
    println!("creating ExtensibleArray...");
    benchmark_extarray(100_000_000);
    println!("creating Vec...");
    benchmark_vector(100_000_000);
}