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gocryptotrader/common/cache/README.md
Adrian Gallagher ba92ba3254 docs: Add CODING_GUIDELINES.md and other adjustments (#1988)
* docs: Create new CODING_GUIDELINES doc

Rids excess contribution instructions from other packages
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* docs: Fix linter issues and minor adjustments based on Copilot feedback

* docs: Update coding guidelines for API parameters and testing practices

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* docs: Update CODING_GUIDELINES with export recommendations and test commentary

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* docs: Update struct naming conventions for request and response types

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* refactor: Simplify error handling in QueryOrder method
2025-08-08 12:10:53 +10:00

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# GoCryptoTrader package cache
<img src="https://github.com/thrasher-corp/gocryptotrader/blob/master/web/src/assets/page-logo.png?raw=true" width="350px" height="350px" hspace="70">
[![Build Status](https://github.com/thrasher-corp/gocryptotrader/actions/workflows/tests.yml/badge.svg?branch=master)](https://github.com/thrasher-corp/gocryptotrader/actions/workflows/tests.yml)
[![Software License](https://img.shields.io/badge/License-MIT-orange.svg?style=flat-square)](https://github.com/thrasher-corp/gocryptotrader/blob/master/LICENSE)
[![GoDoc](https://godoc.org/github.com/thrasher-corp/gocryptotrader?status.svg)](https://godoc.org/github.com/thrasher-corp/gocryptotrader/portfolio)
[![Coverage Status](https://codecov.io/gh/thrasher-corp/gocryptotrader/graph/badge.svg?token=41784B23TS)](https://codecov.io/gh/thrasher-corp/gocryptotrader)
[![Go Report Card](https://goreportcard.com/badge/github.com/thrasher-corp/gocryptotrader)](https://goreportcard.com/report/github.com/thrasher-corp/gocryptotrader)
This cache package is part of the GoCryptoTrader codebase.
## This is still in active development
You can track ideas, planned features and what's in progress on our [GoCryptoTrader Kanban board](https://github.com/orgs/thrasher-corp/projects/3).
Join our slack to discuss all things related to GoCryptoTrader! [GoCryptoTrader Slack](https://join.slack.com/t/gocryptotrader/shared_invite/zt-38z8abs3l-gH8AAOk8XND6DP5NfCiG_g)
## Current Features for cache package
+ Basic LRU cache system with both goroutine safe (via mutex locking) and non-goroutine safe options
## How to use
##### Basic Usage:
```go
package main
import ("github.com/thrasher-corp/gocryptotrader/common/cache")
func main() {
lruCache := cache.New(5)
lruCache.Add("hello", "world")
c := lruCache.Contains("hello")
if !c {
fmt.Println("expected cache to contain \"hello\" key")
}
v := lruCache.Get("hello")
if v == nil {
fmt.Println("expected cache to contain \"hello\" key")
}
fmt.Println(v)
}
```
## Donations
<img src="https://github.com/thrasher-corp/gocryptotrader/blob/master/web/src/assets/donate.png?raw=true" hspace="70">
If this framework helped you in any way, or you would like to support the developers working on it, please donate Bitcoin to:
***bc1qk0jareu4jytc0cfrhr5wgshsq8282awpavfahc***