KITFORMA · EDITORIAL ANSWER
Why can I use one struct field after a partial move but not the whole struct?
KitForma editorial guide. Moving a non-Copy field transfers that field’s ownership. Remaining fields may still be individually usable, while the original complete value is no longer available as before.
Step-by-step answer
Moving a non-Copy field transfers that field’s ownership. Remaining fields may still be individually usable, while the original complete value is no longer available as before.
Destructure deliberately, borrow fields when ownership need not move, or use replacement techniques such as Option::take when the full object must remain valid. Types implementing Drop impose additional restrictions because destruction needs a coherent object.
Test a structure with one String and one Copy scalar, distinguishing a scalar read from an attempt to pass the entire object. Cloning every field may be unnecessary. The diagnostic describes a precise ownership transition, not a rule that all fields become inaccessible in every case.
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