Swift 2.3 Crash if Facebook profile cannot be returned...

How to handle optionals in switch statements...

How to debug "fatal error with nil while unwrapping an optional value"?...

What happens when a Swift "if let ... " on a Dictionary key fails?...

Assigning text field value to variable in Swift...

Unwrapping optionals in Apple's game code project template...

Getting value in a nested wrapped variable in Swift...

why I have to unwrap value before I use...

Not using unwrapping in guard statements...

Swift safely unwrapping optinal strings and ints...

Swift: Force Unwrapped returns nil without crashing...

Why doesn't guard create unwrapped var?...

Printing without force-unwrapping property doesn't trigger runtime error in Swift...

field has value confirmed but still get unwrap error?...

fatal error: unexpectedly found nil while unwrapping an Optional value for physics body contact...

How to avoid Firebase fatal error: unexpectedly found nil while unwrapping an Optional value?...

EXC_BAD_ACCESS when setting properties of an option view property...

Why does Swift 2 favor forced unwrap over optionals?...

found nil while unwrapping an ViewController Optional...

want to query an array from parse that might be empty sometimes but xcode won't let me...

Error "fatal error: unexpectedly found nil while unwrapping an Optional value" when a segu...

When I try unwrapping a var, I get an error...

unwrapping SKPhysicsBody doesn't work...

Swift - Compiler warns i haven't unwrapped an optional but then forces me to unwrap using ! rath...

Scala: Access optional value in optional object...

Unwrapping Optional Type Any from Dictionary...

Why can't I insert a (String, [ProtocolConformer]) tuple in my [( String, [ProtocolType] )] this...

Swift Optionals - Different ways of unwrapping...

Purpose of forced unwrapping...

How is a return value of AnyObject! different from AnyObject...