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[ruby-core:111180] [Ruby master Feature#19000] Data: Add "Copy with changes method" [Follow-on to #16122 Data: simple immutable value object] List-Id: Ruby developers Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 SXNzdWUgIzE5MDAwIGhhcyBiZWVuIHVwZGF0ZWQgYnkgUnVieUJ1Z3MgKEEgTm9ueW1vdXMpLg0N Cg0NCg0NCg0NCj4g4oCmdHJlYXRzIHVua25vd24ga2V5d29yZHMgcGFzc2VkIHRvIHRoaXMgbWV0 aG9kIGFzIGFuIGVycm9yLiBJIGhhZCBhbHJlYWR5IG1hZGUgaXQgY2xlYXIgdGhhdCBJIHRob3Vn aHQgaXQgc2hvdWxkIGJlIGFuIGVycm9yIGF0IHRoZSBlbmQgb2YgbXkgbWVzc2FnZSBlYXJsaWVy IGluIHRoaXMgdGhyZWFkIOKApiBhbmQgSSB0aGluayB3ZSBhcmUgYWxsIGluIGFncmVlbWVudCBv biB0aGlzIHBvaW50IGluIHRoaXMgdGhyZWFkLg0NCg0NCioqKzEqKiBhZ3JlZW1lbnQgb24gdHJl YXRpbmcgdW5rbm93biBrZXl3b3JkcyBhcyBlcnJvciEgOi0pDQ0KDQ0KLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLQ0NCkZlYXR1cmUgIzE5MDAwOiBEYXRhOiBBZGQgIkNv 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