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[core] Convert components, devices, and areas vectors to static allocation (#10020)

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This commit is contained in:
J. Nick Koston
2025-08-03 15:51:50 -10:00
committed by GitHub
parent dbaf2cdd50
commit d86e1e29a9
4 changed files with 66 additions and 61 deletions
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10
esphome/core/helpers.h
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@@ -5,6 +5,7 @@
#include <cstdint>
#include <cstring>
#include <functional>
#include <iterator>
#include <limits>
#include <memory>
#include <string>
@@ -100,6 +101,8 @@ template<typename T, size_t N> class StaticVector {
using value_type = T;
using iterator = typename std::array<T, N>::iterator;
using const_iterator = typename std::array<T, N>::const_iterator;
using reverse_iterator = std::reverse_iterator<iterator>;
using const_reverse_iterator = std::reverse_iterator<const_iterator>;
private:
std::array<T, N> data_{};
@@ -114,6 +117,7 @@ template<typename T, size_t N> class StaticVector {
}
size_t size() const { return count_; }
bool empty() const { return count_ == 0; }
T &operator[](size_t i) { return data_[i]; }
const T &operator[](size_t i) const { return data_[i]; }
@@ -123,6 +127,12 @@ template<typename T, size_t N> class StaticVector {
iterator end() { return data_.begin() + count_; }
const_iterator begin() const { return data_.begin(); }
const_iterator end() const { return data_.begin() + count_; }
// Reverse iterators
reverse_iterator rbegin() { return reverse_iterator(end()); }
reverse_iterator rend() { return reverse_iterator(begin()); }
const_reverse_iterator rbegin() const { return const_reverse_iterator(end()); }
const_reverse_iterator rend() const { return const_reverse_iterator(begin()); }
};
///@}