ios


XCode Playground error


I recently started to learn Swift programming in Xcode and I started with Playground to learn some basic syntax.
At this stage discovering and understanding errors is very important for me.
The problem I have is that after writing couple lines of code, Live Issues aren't displaying the way they should be.
Just when I launch playgrounds and write around 5-10 lines of code, Xcode notifies my if there's any issue by displaying the exclamation mark on the left and problem explanation on the right.
Later the explanations start to disappear and they are visible only under Buildtime Errors on the left pane. Unfortunately after clicking on the error I am not being forwarded to the wrong line of code.
The problem appeared on Xcode 8.3.1 and 8.3.2, downloaded both directly from Apple Developer website and App Store. I already uninstalled Xcode 3 times, additionally removing manually all the libraries. I'm using Sierra 10.12.4 on MacBook Pro.
So what's the problem ,it is showing you the correct error you are declaring orange again when you have done it once . You can't do that again . You use let statement to declare a variable once and than you can change its value simply by orange = (your value here )

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