forked from OctaForge/libostd
noexcept for functional
parent
bd86d82446
commit
f4b0691003
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@ -16,7 +16,8 @@ namespace octa {
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#define __OCTA_DEFINE_BINARY_OP(name, op, rettype) \
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template<typename T> struct name { \
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bool operator()(const T &x, const T &y) const { return x op y; } \
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bool operator()(const T &x, const T &y) \
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const noexcept(noexcept(x op y)) { return x op y; } \
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typedef T first_argument_type; \
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typedef T second_argument_type; \
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typedef rettype result_type; \
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@ -60,7 +61,8 @@ namespace octa {
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explicit BinaryNegate(const T &f): p_fn(f) {}
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bool operator()(const first_argument_type &x,
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const second_argument_type &y) {
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const second_argument_type &y)
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noexcept(noexcept(p_fn(x, y))) {
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return !p_fn(x, y);
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}
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private:
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@ -71,19 +73,21 @@ namespace octa {
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typedef typename T::argument_type argument_type;
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typedef bool result_type;
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explicit UnaryNegate(const T &f): p_fn(f) {}
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bool operator()(const argument_type &x) {
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explicit UnaryNegate(const T &f) noexcept: p_fn(f) {}
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bool operator()(const argument_type &x) noexcept(noexcept(p_fn(x))) {
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return !p_fn(x);
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}
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private:
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T p_fn;
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};
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template<typename T> UnaryNegate<T> not1(const T &fn) {
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template<typename T> UnaryNegate<T> not1(const T &fn)
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noexcept(noexcept(UnaryNegate<T>(fn))) {
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return UnaryNegate<T>(fn);
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}
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template<typename T> BinaryNegate<T> not2(const T &fn) {
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template<typename T> BinaryNegate<T> not2(const T &fn)
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noexcept(noexcept(BinaryNegate<T>(fn))) {
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return BinaryNegate<T>(fn);
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}
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@ -106,18 +110,22 @@ namespace octa {
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T *p_ptr;
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};
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template<typename T> ReferenceWrapper<T> ref(T &v) {
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template<typename T>
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ReferenceWrapper<T> ref(T &v) noexcept {
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return ReferenceWrapper<T>(v);
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}
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template<typename T> ReferenceWrapper<T> ref(ReferenceWrapper<T> v) {
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template<typename T>
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ReferenceWrapper<T> ref(ReferenceWrapper<T> v) noexcept {
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return ReferenceWrapper<T>(v);
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}
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template<typename T> void ref(const T &&) = delete;
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template<typename T> ReferenceWrapper<const T> cref(const T &v) {
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template<typename T>
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ReferenceWrapper<const T> cref(const T &v) noexcept {
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return ReferenceWrapper<T>(v);
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}
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template<typename T> ReferenceWrapper<const T> cref(ReferenceWrapper<T> v) {
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template<typename T>
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ReferenceWrapper<const T> cref(ReferenceWrapper<T> v) noexcept {
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return ReferenceWrapper<T>(v);
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}
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template<typename T> void cref(const T &&) = delete;
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@ -176,7 +184,7 @@ namespace octa {
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};
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template<typename R, typename T>
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__OctaMemFn<R, T> mem_fn(R T:: *ptr) {
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__OctaMemFn<R, T> mem_fn(R T:: *ptr) noexcept {
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return __OctaMemFn<R, T>(ptr);
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}
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@ -334,8 +342,8 @@ namespace octa {
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template<typename R, typename ...A>
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struct Function<R(A...)>: __OctaFunction<R, A...> {
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Function( ) { initialize_empty(); }
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Function(nullptr_t) { initialize_empty(); }
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Function( ) noexcept { initialize_empty(); }
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Function(nullptr_t) noexcept { initialize_empty(); }
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Function(Function &&f) {
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initialize_empty();
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@ -380,7 +388,7 @@ namespace octa {
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Function(forward<F>(f)).swap(*this);
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}
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void swap(Function &f) {
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void swap(Function &f) noexcept {
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__OctaFmStorage tmp;
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f.p_stor.manager->call_move_and_destroy(tmp, move(f.p_stor));
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p_stor.manager->call_move_and_destroy(f.p_stor, move(p_stor));
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@ -388,7 +396,7 @@ namespace octa {
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octa::swap(p_call, f.p_call);
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}
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operator bool() const { return p_call != nullptr; }
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operator bool() const noexcept { return p_call != nullptr; }
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private:
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__OctaFmStorage p_stor;
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@ -442,21 +450,21 @@ namespace octa {
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};
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template<typename T>
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void swap(Function<T> &a, Function<T> &b) {
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void swap(Function<T> &a, Function<T> &b) noexcept {
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a.swap(b);
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}
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template<typename T>
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bool operator==(nullptr_t, const Function<T> &rhs) { return !rhs; }
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bool operator==(nullptr_t, const Function<T> &rhs) noexcept { return !rhs; }
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template<typename T>
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bool operator==(const Function<T> &lhs, nullptr_t) { return !lhs; }
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bool operator==(const Function<T> &lhs, nullptr_t) noexcept { return !lhs; }
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template<typename T>
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bool operator!=(nullptr_t, const Function<T> &rhs) { return rhs; }
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bool operator!=(nullptr_t, const Function<T> &rhs) noexcept { return rhs; }
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template<typename T>
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bool operator!=(const Function<T> &lhs, nullptr_t) { return lhs; }
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bool operator!=(const Function<T> &lhs, nullptr_t) noexcept { return lhs; }
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}
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#endif
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