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Migrate codebase to std::string_view (except z3++.h) (#8266)

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* Initial plan

* Update z3 codebase to use std::string_view (except z3++.h)

- Updated params.cpp/h to use string_view internally for parameter descriptions
- Updated trace.h/cpp to accept string_view for trace tag functions
- Updated hash.h/cpp to use string_view for string_hash function
- Updated all callers of string_hash to use string_view
- Properly handled nullptr to empty string_view conversions
- All tests passing

Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>

* Add missing string_view includes to headers

Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
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Copilot 2026-01-21 09:30:41 -08:00 • committed by GitHub
parent 4b8a270901
commit 2e7b700769
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20 changed files with 85 additions and 70 deletions
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2
src/util/mpz.cpp
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@ -1862,7 +1862,7 @@ unsigned mpz_manager<SYNCH>::hash(mpz const & a) {
unsigned sz = size(a);
if (sz == 1)
return static_cast<unsigned>(digits(a)[0]);
return string_hash(reinterpret_cast<char*>(digits(a)), sz * sizeof(digit_t), 17);
return string_hash(std::string_view(reinterpret_cast<char*>(digits(a)), sz * sizeof(digit_t)), 17);
#else
return mpz_get_si(*a.m_ptr);
#endif