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Give Posix::time_zone equality comparison

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This commit is contained in:
Howard Hinnant 2020-05-24 21:16:16 -04:00
parent f43c39fcf1
commit 9343e31599
1 changed files with 48 additions and 1 deletions
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49
include/date/ptz.h
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@ -91,8 +91,34 @@ public:
friend std::ostream& operator<<(std::ostream& os, const rule& r);
friend unsigned read_date(const string_t& s, unsigned i, rule& r);
friend bool operator==(const rule& x, const rule& y);
};
inline
bool
operator==(const rule& x, const rule& y)
{
if (x.mode_ != y.mode_)
return false;
switch (x.mode_)
{
case rule::J:
case rule::N:
return x.n_ == y.n_;
case rule::M:
return x.m_ == y.m_ && x.n_ == y.n_ && x.wd_ == y.wd_;
default:
return true;
}
}
inline
bool
operator!=(const rule& x, const rule& y)
{
return !(x == y);
}
inline
date::local_seconds
rule::operator()(date::year y) const
@ -130,7 +156,7 @@ rule::to_string() const
std::string nm;
if (off != hours{2})
{
date::hh_mm_ss offset{off};
date::hh_mm_ss<seconds> offset{off};
nm = '/';
nm += std::to_string(offset.hours().count());
if (offset.minutes() != minutes{0} || offset.seconds() != seconds{0})
@ -237,6 +263,8 @@ public:
const time_zone* operator->() const {return this;}
std::string name() const;
friend bool operator==(const time_zone& x, const time_zone& y);
};
inline
@ -525,6 +553,25 @@ time_zone::name() const
return nm;
}
inline
bool
operator==(const time_zone& x, const time_zone& y)
{
return x.std_abbrev_ == y.std_abbrev_ &&
x.dst_abbrev_ == y. dst_abbrev_ &&
x.offset_ == y.offset_ &&
x.save_ == y.save_ &&
x.start_rule_ == y.start_rule_ &&
x.end_rule_ == y.end_rule_;
}
inline
bool
operator!=(const time_zone& x, const time_zone& y)
{
return !(x == y);
}
namespace detail
{