vialyx · March 13, 2018 07:21
diff --git a/set_empty_error.swift b/set_empty_error.swift
 struct User {
    let id: Int
    let name: String
 }

 var users: Set<User> = []
 // error: type 'User' does not confirm to protocol 'Hashable'
	struct User {
	let id: Int
	let name: String
	}

	var users: Set<User> = []
	// error: type 'User' does not confirm to protocol 'Hashable'