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make basic_ring_buffer fulfull its own template parameter requirements

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Ferdinand Bachmann
2020-04-22 15:52:07 +02:00
parent fd04982754
commit f1562b7960
2 changed files with 15 additions and 1 deletions
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5
README.md
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@ -70,12 +70,15 @@ The iterators returned by `begin()`, `end()`, `begin() const`, `end() const`,
after the logical last element. (i.e., they wrap around if they reach the end of after the logical last element. (i.e., they wrap around if they reach the end of
the underlying container) the underlying container)
`basic_ring_buffer` fulfills its own template parameter requirements.
#### Template parameter requirements #### Template parameter requirements
The parameter `Container` needs to have member types `value_type` and The parameter `Container` needs to have member types `value_type` and
`size_type`, and methods `size_type size() const`, `iterator begin()`, `size_type`, and methods `size_type size() const`, `iterator begin()`,
`iterator end()`, `const_iterator cbegin() const`, and `const_iterator cend() `iterator end()`, `const_iterator cbegin() const`, and `const_iterator cend()
const`, as well as an overloaded `value_type& operator[](size_type)`. const`, as well as an overloaded `value_type& operator[](size_type)` and `const
value_type& operator[](size_type) const)`.
The iterators returned by the container need to be random access iterators. The iterators returned by the container need to be random access iterators.

11
include/ring-buffer.h
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@ -27,6 +27,17 @@ public:
basic_ring_buffer& operator=(const basic_ring_buffer& other) = default; basic_ring_buffer& operator=(const basic_ring_buffer& other) = default;
basic_ring_buffer& operator=(basic_ring_buffer&& other) = default; basic_ring_buffer& operator=(basic_ring_buffer&& other) = default;
CONSTEXPR size_type size() const NOEXCEPT {
return container.size();
}
CONSTEXPR value_type& operator[](size_type size) COND_NOEXCEPT(noexcept(container[size])) {
return container[size];
}
CONSTEXPR const value_type& operator[](size_type size) const COND_NOEXCEPT(noexcept(container[size])) {
return container[size];
}
CONSTEXPR Container& buffer() NOEXCEPT { CONSTEXPR Container& buffer() NOEXCEPT {
return container; return container;
} }