Swift

A powerful and intuitive programming language for macOS, iOS, watchOS, and tvOS.


How to address 'Binary operator 'X' cannot be applied to operands of type 'Y' and 'Z'' in Swift?
Why do I see 'Type 'X' has no member 'Y' error in Swift?
How to fix 'Cannot assign to value: 'X' is a 'let' constant' error in Swift?
What's 'Use of unresolved identifier' error in Swift?
Why do I encounter 'Unexpectedly found nil while unwrapping an Optional value' in Swift?
Why do I encounter 'Initializer does not override a designated initializer from its superclass' in Swift?
Why am I seeing 'Type does not conform to protocol' in Swift?
Why do I get 'Ambiguous reference to member' in Swift?
Why do I see 'Use of unresolved identifier' in Swift?
Why do I encounter 'Cannot assign to property: function call returns immutable value' in Swift?
Swift protocols and extensions?
Using closures in Swift?
Swift classes and initializers?
Understanding Swift Dictionaries?
How to work with Swift sets?
Swift error handling with do-catch?
Using Swift loops?
How to define Swift functions?
Working with Swift Optionals?
How to create a Swift array?