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add finite check: is_integer, is_odd, is_even

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This commit is contained in:
bolero-MURAKAMI 2013-05-09 01:15:44 +09:00
parent 9ff74b52eb
commit 3f434dd7e1
6 changed files with 34 additions and 8 deletions
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7
sprout/optional/optional.hpp
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@ -38,6 +38,7 @@ namespace sprout {
init = false;
}
public:
// 20.5.4.1, constructors
SPROUT_CONSTEXPR optional() SPROUT_NOEXCEPT
: init(false)
{}
@ -61,7 +62,7 @@ namespace sprout {
: init(v.is_initialized())
, val(v.is_initialized() ? holder_type(*v) : holder_type())
{}
// 20.5.4.3, assignment
optional& operator=(sprout::nullopt_t v) SPROUT_NOEXCEPT {
assign(v);
return *this;
@ -106,14 +107,14 @@ namespace sprout {
void reset(argument_type v) {
assign(v);
}
// 20.5.4.4, swap
void swap(optional& other)
SPROUT_NOEXCEPT_EXPR(SPROUT_NOEXCEPT_EXPR(sprout::swap(val, other.val)))
{
sprout::swap(init, other.init);
sprout::swap(val, other.val);
}
// 20.5.4.5, observers
SPROUT_CONSTEXPR reference_const_type operator*() const {
return (SPROUT_ASSERT(is_initialized()), true) ? val.get()
: val.get()