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Atomic

A mutable thread safe variable.

@propertyWrapper
public class Atomic<T> 
  // Correct
  atomicValue = 1
  let value = atomicValue

  atomicValue += 1 // Incorrect! Accessing and setting a value are two atomic operations.
  _atomicValue.mutate { $0 += 1 } // Correct
  _atomicValue { $0 += 1 } // Also possible

Initializers​

init(wrappedValue:)​

public init(wrappedValue: T)

Properties​

wrappedValue​

public var wrappedValue: T

Methods​

mutate(_:)​

Update the value safely.

public func mutate(_ changes: (_ value: inout T) -> Void)

Parameters​

  • changes: a block with changes. It should return a new value.

callAsFunction(_:)​

Update the value safely.

public func callAsFunction(_ changes: (_ value: inout T) -> Void)

Parameters​

  • changes: a block with changes. It should return a new value.

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