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key.doc.full_as_xml: "<Function><Name>insert(_:)</Name><USR>s:FesRxs9OptionSetxzwx7ElementrS_6insertFwxS0_T8insertedSb17memberAfterInsertwxS0__</USR><Declaration>mutating func insert(_ newMember: Self) -> (inserted: Bool, memberAfterInsert: Self)</Declaration><Abstract><Para>Adds the given element to the option set if it is not already a member.</Para></Abstract><Parameters><Parameter><Name>newMember</Name><Direction isExplicit=\"0\">in</Direction><Discussion><Para>The element to insert.</Para></Discussion></Parameter></Parameters><ResultDiscussion><Para><codeVoice>(true, newMember)</codeVoice> if <codeVoice>newMember</codeVoice> was not contained in <codeVoice>self</codeVoice>. Otherwise, returns <codeVoice>(false, oldMember)</codeVoice>, where <codeVoice>oldMember</codeVoice> is the member of the set equal to <codeVoice>newMember</codeVoice>.</Para></ResultDiscussion><Discussion><Para>In the following example, the <codeVoice>.secondDay</codeVoice> shipping option is added to the <codeVoice>freeOptions</codeVoice> option set if <codeVoice>purchasePrice</codeVoice> is greating than 50. For the <codeVoice>ShippingOptions</codeVoice> declaration, see the <codeVoice>OptionSet</codeVoice> protocol discussion.</Para><CodeListing language=\"swift\"><zCodeLineNumbered><![CDATA[let purchasePrice = 87.55]]></zCodeLineNumbered><zCodeLineNumbered></zCodeLineNumbered><zCodeLineNumbered><![CDATA[var freeOptions: ShippingOptions = [.standard, .priority]]]></zCodeLineNumbered><zCodeLineNumbered><![CDATA[if purchasePrice > 50 {]]></zCodeLineNumbered><zCodeLineNumbered><![CDATA[ freeOptions.insert(.secondDay)]]></zCodeLineNumbered><zCodeLineNumbered><![CDATA[}]]></zCodeLineNumbered><zCodeLineNumbered><![CDATA[print(freeOptions.contains(.secondDay))]]></zCodeLineNumbered><zCodeLineNumbered><![CDATA[// Prints \"true\"]]></zCodeLineNumbered><zCodeLineNumbered></zCodeLineNumbered></CodeListing></Discussion></Function>",
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key.doc.full_as_xml: "<Function><Name>insert(_:)</Name><USR>s:FesRxs9OptionSetxzwx7ElementrS_6insertFwxS0_T8insertedSb17memberAfterInsertwxS0__</USR><Declaration>mutating func insert(_ newMember: Self) -> (inserted: Bool, memberAfterInsert: Self)</Declaration><Abstract><Para>Adds the given element to the option set if it is not already a member.</Para></Abstract><Parameters><Parameter><Name>newMember</Name><Direction isExplicit=\"0\">in</Direction><Discussion><Para>The element to insert.</Para></Discussion></Parameter></Parameters><ResultDiscussion><Para><codeVoice>(true, newMember)</codeVoice> if <codeVoice>newMember</codeVoice> was not contained in <codeVoice>self</codeVoice>. Otherwise, returns <codeVoice>(false, oldMember)</codeVoice>, where <codeVoice>oldMember</codeVoice> is the member of the set equal to <codeVoice>newMember</codeVoice>.</Para></ResultDiscussion><Discussion><Para>In the following example, the <codeVoice>.secondDay</codeVoice> shipping option is added to the <codeVoice>freeOptions</codeVoice> option set if <codeVoice>purchasePrice</codeVoice> is greater than 50.0. For the <codeVoice>ShippingOptions</codeVoice> declaration, see the <codeVoice>OptionSet</codeVoice> protocol discussion.</Para><CodeListing language=\"swift\"><zCodeLineNumbered><![CDATA[let purchasePrice = 87.55]]></zCodeLineNumbered><zCodeLineNumbered></zCodeLineNumbered><zCodeLineNumbered><![CDATA[var freeOptions: ShippingOptions = [.standard, .priority]]]></zCodeLineNumbered><zCodeLineNumbered><![CDATA[if purchasePrice > 50 {]]></zCodeLineNumbered><zCodeLineNumbered><![CDATA[ freeOptions.insert(.secondDay)]]></zCodeLineNumbered><zCodeLineNumbered><![CDATA[}]]></zCodeLineNumbered><zCodeLineNumbered><![CDATA[print(freeOptions.contains(.secondDay))]]></zCodeLineNumbered><zCodeLineNumbered><![CDATA[// Prints \"true\"]]></zCodeLineNumbered><zCodeLineNumbered></zCodeLineNumbered></CodeListing></Discussion></Function>",
key.doc.full_as_xml: "<Function><Name>remove(_:)</Name><USR>s:FesRxs9OptionSetxzwx7ElementrS_6removeFwxS0_GSqwxS0__</USR><Declaration>mutating func remove(_ member: Self) -> Self?</Declaration><Abstract><Para>Removes the given element and all elements subsumed by the given element.</Para></Abstract><Parameters><Parameter><Name>member</Name><Direction isExplicit=\"0\">in</Direction><Discussion><Para>The element of the set to remove.</Para></Discussion></Parameter></Parameters><ResultDiscussion><Para>The intersection of <codeVoice>[member]</codeVoice> and the set if the intersection was nonempty; otherwise, <codeVoice>nil</codeVoice>.</Para></ResultDiscussion><Discussion><Para>In the following example, the <codeVoice>.priority</codeVoice> shipping option is removed from the <codeVoice>options</codeVoice> option set. Attempting to remove the same shipping option a second time results in <codeVoice>nil</codeVoice>, because <codeVoice>options</codeVoice> no longer contains <codeVoice>.priority</codeVoice> as a member.</Para><CodeListing language=\"swift\"><zCodeLineNumbered><![CDATA[var options: ShippingOptions = [.secondDay, .priority]]]></zCodeLineNumbered><zCodeLineNumbered><![CDATA[let priorityOption = options.remove(.priority)]]></zCodeLineNumbered><zCodeLineNumbered><![CDATA[print(priorityOption == .priority)]]></zCodeLineNumbered><zCodeLineNumbered><![CDATA[// Prints \"true\"]]></zCodeLineNumbered><zCodeLineNumbered></zCodeLineNumbered><zCodeLineNumbered><![CDATA[print(options.remove(.priority))]]></zCodeLineNumbered><zCodeLineNumbered><![CDATA[// Prints \"nil\"]]></zCodeLineNumbered><zCodeLineNumbered></zCodeLineNumbered></CodeListing><Para>In the next example, the <codeVoice>.express</codeVoice> element is passed to <codeVoice>remove(_:)</codeVoice>. Although <codeVoice>.express</codeVoice> is not a member of <codeVoice>options</codeVoice>, <codeVoice>.express</codeVoice> subsumes the remaining <codeVoice>.secondDay</codeVoice> element of the option set. Therefore, <codeVoice>options</codeVoice> is emptied and the intersection between <codeVoice>.express</codeVoice> and <codeVoice>options</codeVoice> is returned.</Para><CodeListing language=\"swift\"><zCodeLineNumbered><![CDATA[let expressOption = options.remove(.express)]]></zCodeLineNumbered><zCodeLineNumbered><![CDATA[print(expressOption == .express)]]></zCodeLineNumbered><zCodeLineNumbered><![CDATA[// Prints \"false\"]]></zCodeLineNumbered><zCodeLineNumbered><![CDATA[print(expressOption == .secondDay)]]></zCodeLineNumbered><zCodeLineNumbered><![CDATA[// Prints \"true\"]]></zCodeLineNumbered><zCodeLineNumbered></zCodeLineNumbered></CodeListing></Discussion></Function>",
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key.doc.full_as_xml: "<Function><Name>remove(_:)</Name><USR>s:FesRxs9OptionSetxzwx7ElementrS_6removeFwxS0_GSqwxS0__</USR><Declaration>mutating func remove(_ member: Self) -> Self?</Declaration><Abstract><Para>Removes the given element and all elements subsumed by it.</Para></Abstract><Parameters><Parameter><Name>member</Name><Direction isExplicit=\"0\">in</Direction><Discussion><Para>The element of the set to remove.</Para></Discussion></Parameter></Parameters><ResultDiscussion><Para>The intersection of <codeVoice>[member]</codeVoice> and the set, if the intersection was nonempty; otherwise, <codeVoice>nil</codeVoice>.</Para></ResultDiscussion><Discussion><Para>In the following example, the <codeVoice>.priority</codeVoice> shipping option is removed from the <codeVoice>options</codeVoice> option set. Attempting to remove the same shipping option a second time results in <codeVoice>nil</codeVoice>, because <codeVoice>options</codeVoice> no longer contains <codeVoice>.priority</codeVoice> as a member.</Para><CodeListing language=\"swift\"><zCodeLineNumbered><![CDATA[var options: ShippingOptions = [.secondDay, .priority]]]></zCodeLineNumbered><zCodeLineNumbered><![CDATA[let priorityOption = options.remove(.priority)]]></zCodeLineNumbered><zCodeLineNumbered><![CDATA[print(priorityOption == .priority)]]></zCodeLineNumbered><zCodeLineNumbered><![CDATA[// Prints \"true\"]]></zCodeLineNumbered><zCodeLineNumbered></zCodeLineNumbered><zCodeLineNumbered><![CDATA[print(options.remove(.priority))]]></zCodeLineNumbered><zCodeLineNumbered><![CDATA[// Prints \"nil\"]]></zCodeLineNumbered><zCodeLineNumbered></zCodeLineNumbered></CodeListing><Para>In the next example, the <codeVoice>.express</codeVoice> element is passed to <codeVoice>remove(_:)</codeVoice>. Although <codeVoice>.express</codeVoice> is not a member of <codeVoice>options</codeVoice>, <codeVoice>.express</codeVoice> subsumes the remaining <codeVoice>.secondDay</codeVoice> element of the option set. Therefore, <codeVoice>options</codeVoice> is emptied and the intersection between <codeVoice>.express</codeVoice> and <codeVoice>options</codeVoice> is returned.</Para><CodeListing language=\"swift\"><zCodeLineNumbered><![CDATA[let expressOption = options.remove(.express)]]></zCodeLineNumbered><zCodeLineNumbered><![CDATA[print(expressOption == .express)]]></zCodeLineNumbered><zCodeLineNumbered><![CDATA[// Prints \"false\"]]></zCodeLineNumbered><zCodeLineNumbered><![CDATA[print(expressOption == .secondDay)]]></zCodeLineNumbered><zCodeLineNumbered><![CDATA[// Prints \"true\"]]></zCodeLineNumbered><zCodeLineNumbered></zCodeLineNumbered></CodeListing></Discussion></Function>",
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