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etl/docs/chrono/month/month_weekday.md
Roland Reichwein 08b9c371a0
Various fixes and cleanup (#1507) 
* Fix histogram test

Use different Start index so skipped start_index copy would not get
unnoticed in the test.

* Fix several test_vector_* for valid data

Instead of comparing the moved-from data which is invalid, compare with
the valid initial_data.

* Fix test_vector to check for the correct iterator position after erase

This was done before, but a recent change dropped it.

* Fix bit_stream: Guard nbits > 0 to prevent division by zero

* Cleanup

---------

Co-authored-by: John Wellbelove <jwellbelove@users.noreply.github.com>
2026-07-20 11:19:41 +02:00

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title
month_weekday

{{< callout type="info">}} Header: chrono.h
From: 20.41.0
Similar to: std::chrono::month_weekday {{< /callout >}}

A class representing a month and weekday.

class month_weekday

Construction

ETL_CONSTEXPR 
month_weekday()

Description
Default constructor.

ETL_CONSTEXPR14 
month_weekday(const etl::chrono::month&   m, 
              const etl::chrono::weekday_indexed& wd) 
ETL_NOEXCEPT

Description
Construct from month and weekday_indexed.

Access

ETL_NODISCARD
ETL_CONSTEXPR14 
etl::chrono::month month() const 
ETL_NOEXCEPT

Returns
The month.

ETL_NODISCARD
ETL_CONSTEXPR14 
etl::chrono::weekday_indexed weekday_indexed() const 
ETL_NOEXCEPT

Return
The weekday.

Tests

ETL_NODISCARD
ETL_CONSTEXPR14 
bool ok() const 
ETL_NOEXCEPT

Return
true if the month and day is within the valid limits.

Non-member comparison operators

ETL_CONSTEXPR14 
bool operator ==(const etl::chrono::month_weekday& lhs, 
                 const etl::chrono::month_weekday& rhs) 
ETL_NOEXCEPT

Description
Equality operator.

ETL_CONSTEXPR14 
bool operator !=(const etl::chrono::month_weekday& lhs, 
                 const etl::chrono::month_weekday& rhs) 
ETL_NOEXCEPT

Description
Inequality operator.

ETL_CONSTEXPR14 
bool operator <(const etl::chrono::month_weekday& lhs, 
                const etl::chrono::month_weekday& rhs) 
ETL_NOEXCEPT

Description
Less-than operator.

ETL_CONSTEXPR14 
bool operator <=(const etl::chrono::month_weekday& lhs, 
                 const etl::chrono::month_weekday& rhs) 
ETL_NOEXCEPT

Description
Less-than-equal operator.

ETL_CONSTEXPR14 
bool operator <(const etl::chrono::month_weekday& lhs, 
                const etl::chrono::month_weekday& rhs) 
ETL_NOEXCEPT

Description
Greater-than operator.

ETL_CONSTEXPR14 
bool operator <=(const etl::chrono::month_weekday& lhs, 
                 const etl::chrono::month_weekday& rhs) 
ETL_NOEXCEPT

Description
Greater-than-equal operator.

[[nodiscard]] constexpr
auto operator <=>(const etl::chrono::month_weekday& lhs, 
                  const etl::chrono::month_weekday& rhs)
ETL_NOEXCEPT

Description
Spaceship operator.
C++20

Hash

template <typename TRep, typename TPeriod>
struct hash<etl::chrono::month_weekday>

Description
Hash function for etl::chrono::month_weekday.