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update readme, fix formatting

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Avuluri Venkata Sai Reddy 2023-01-29 23:18:21 +05:30 committed by GitHub
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@ -833,8 +833,8 @@ func (cache *KVCache) Add(key, value string) {
This code is absolutely fine. However, the danger is that our `App` can be initialised incorrectly, without initialising the `Cache` property within. Should the following code be invoked, our application will panic:
```go
app := App{}
app.Cache.Add("panic", "now")
app := App{}
app.Cache.Add("panic", "now")
```
The `Cache` property has never been initialised and is therefore a `nil` pointer. Thus, invoking the `Add` method like we did here will cause a panic, with the following message: