iterator

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适用于 C# 和 Unity 的迭代器库

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工具介绍

适用于 C# 和 Unity 的迭代器库

About

A no-GC version of C#'s IEnumerator and LINQ
Inspired by C++'s and headers
Useful for any C# project with additional support for Unity

Getting Started

Unity Projects

Clone or download this repository and copy the JacksonDunstanIterator directory somewhere inside your Unity project's Assets directory.

Non-Unity Projects

Clone or download this repository and add all the .cs files directly under the JacksonDunstanIterator directory to your C# project.

Usage

There are three iterator types:

ArrayIterator for managed arrays (T[])
ListIterator for List
NativeArrayIterator for NativeArray (automatically compiled out when Unity 2018.1+ isn't available)

They all have the same API. Here's the basics of using ArrayIterator:

csharp

// Get an array
int[] array = new [] { 30, 10, 20, 40 };

// Get an iterator to the beginning of the array
ArrayIterator begin = array.Begin();

// Get the value of the iterator
int val = begin.GetCurrent();

// Move to the next element
ArrayIterator second = begin.GetNext();

// Get an iterator to one past the end of the array
ArrayIterator end = array.End();

// Reverse [ 10, 20, 40] so the array is [ 30, 40, 20, 10 ]
second.Reverse(end);

// Search for an element satisfying a condition
ArrayIterator it20 = begin.FindIf(end, e => e < 25);