Swift 里 Array (一)内存结构
发布时间:2020-12-14 05:00:17 所属栏目:百科 来源:网络整理
导读:public struct ArrayElement: _DestructorSafeContainer { #if _runtime(_ObjC) @usableFromInline internal typealias _Buffer = _ArrayBufferElement #else @usableFromInline internal typealias _Buffer = _ContiguousArrayBufferElement #endif @usable
public struct Array<Element>: _DestructorSafeContainer { #if _runtime(_ObjC) @usableFromInline internal typealias _Buffer = _ArrayBuffer<Element> #else @usableFromInline internal typealias _Buffer = _ContiguousArrayBuffer<Element> #endif @usableFromInline internal var _buffer: _Buffer }
Swift Array?runtime Objc 情况?内存结构?
_storage = Builtin.allocWithTailElems_1( _ContiguousArrayStorage<Element>.self,realMinimumCapacity._builtinWordValue,Element.self)
/// Returns `true` iff this buffer's storage is uniquely-referenced. /// /// - Note: This does not mean the buffer is mutable. Other factors /// may need to be considered,such as whether the buffer could be /// some immutable Cocoa container. @inlinable internal mutating func isUniquelyReferenced() -> Bool { return _isUnique(&_storage) } (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |