copying: deep vs shallow copy module (clone() traps, copy constructors, serialization copy, records, defensive copies, collection copies), 17 contract tests

Co-Authored-By: Claude Sonnet 5.5 <[email protected]> Claude-Session: https://claude.ai/code/session_017ic4b4X2xx7RrveVQU9R1N
2026-11-12 20:18:06 +05:30
parent 682b7b067c
commit 38fbd513c9
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+Indicative only: plain nanoTime loop, best of 7 rounds, ns per deep copy.
+Absolute numbers drift per machine and run; read the ratios.
+
+copy constructor :      14 ns
+deep clone()     :      13 ns
+serialization    :    9765 ns
+serialization is about 698x the copy constructor