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fix: make power_of_two max_bucket_count static constexpr (#93) #96

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fix: make power_of_two max_bucket_count static constexpr (#93) #96

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6 changes: 5 additions & 1 deletion include/tsl/robin_growth_policy.h
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Original file line number Diff line number Diff line change
Expand Up @@ -139,8 +139,12 @@ class power_of_two_growth_policy {

/**
* Return the maximum number of buckets supported by the policy.
*
* Static: does not depend on instance state. Calling the non-static form
* from the constructor made GCC 16 emit -Wmaybe-uninitialized on the
* implicit this pointer (see Tessil/robin-map#93).
*/
std::size_t max_bucket_count() const {
static constexpr std::size_t max_bucket_count() noexcept {
// Largest power of two.
return (std::numeric_limits<std::size_t>::max() / 2) + 1;
}
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