[swift-evolution] [proposal] Allow "let" for computed properties which only reference immutable data

Andru Felipe Zuniga andruzuniga at icloud.com
Mon May 16 00:40:23 CDT 2016

It would be useful for clarification of a computed property being constant in extensions. For example:

extension SKSpriteNode {
	static let type: String {
		return “Sprite”


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