#37527

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Build # #37527

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Commit Message

make `IRShow.method_name` inferrable (#49607)

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93.44

/stdlib/Dates/src/arithmetic.jl

# This file is a part of Julia. License is MIT: https://julialang.org/license

# Instant arithmetic
(+)(x::Instant) = x
(-)(x::T, y::T) where {T<:Instant} = x.periods - y.periods

# TimeType arithmetic
(+)(x::TimeType) = x
(-)(x::T, y::T) where {T<:TimeType} = x.instant - y.instant

# Date-Time arithmetic
"""
    dt::Date + t::Time -> DateTime

The addition of a `Date` with a `Time` produces a `DateTime`. The hour, minute, second, and millisecond parts of
the `Time` are used along with the year, month, and day of the `Date` to create the new `DateTime`.
Non-zero microseconds or nanoseconds in the `Time` type will result in an `InexactError` being thrown.
"""
(+)(dt::Date, t::Time) = DateTime(dt ,t)
(+)(t::Time, dt::Date) = DateTime(dt, t)

# TimeType-Year arithmetic
function (+)(dt::DateTime, y::Year)
    oy, m, d = yearmonthday(dt); ny = oy + value(y); ld = daysinmonth(ny, m)
    return DateTime(ny, m, d <= ld ? d : ld, hour(dt), minute(dt), second(dt), millisecond(dt))
end
function (+)(dt::Date,y::Year)
    oy, m, d = yearmonthday(dt); ny = oy + value(y); ld = daysinmonth(ny, m)
    return Date(ny, m, d <= ld ? d : ld)
end
function (-)(dt::DateTime,y::Year)
    oy, m, d = yearmonthday(dt); ny = oy - value(y); ld = daysinmonth(ny, m)
    return DateTime(ny, m, d <= ld ? d : ld, hour(dt), minute(dt), second(dt), millisecond(dt))
end
function (-)(dt::Date,y::Year)
    oy, m, d = yearmonthday(dt); ny = oy - value(y); ld = daysinmonth(ny, m)
    return Date(ny, m, d <= ld ? d : ld)
end

# TimeType-Month arithmetic
# monthwrap adds two months with wraparound behavior (i.e. 12 + 1 == 1)
monthwrap(m1, m2) = (v = mod1(m1 + m2, 12); return v < 0 ? 12 + v : v)
# yearwrap takes a starting year/month and a month to add and returns
# the resulting year with wraparound behavior (i.e. 2000-12 + 1 == 2001)
yearwrap(y, m1, m2) = y + fld(m1 + m2 - 1, 12)

function (+)(dt::DateTime, z::Month)
    y,m,d = yearmonthday(dt)
    ny = yearwrap(y, m, value(z))
    mm = monthwrap(m, value(z)); ld = daysinmonth(ny, mm)
    return DateTime(ny, mm, d <= ld ? d : ld, hour(dt), minute(dt), second(dt), millisecond(dt))
end

function (+)(dt::Date, z::Month)
    y,m,d = yearmonthday(dt)
    ny = yearwrap(y, m, value(z))
    mm = monthwrap(m, value(z)); ld = daysinmonth(ny, mm)
    return Date(ny, mm, d <= ld ? d : ld)
end
function (-)(dt::DateTime, z::Month)
    y,m,d = yearmonthday(dt)
    ny = yearwrap(y, m, -value(z))
    mm = monthwrap(m, -value(z)); ld = daysinmonth(ny, mm)
    return DateTime(ny, mm, d <= ld ? d : ld, hour(dt), minute(dt), second(dt), millisecond(dt))
end
function (-)(dt::Date, z::Month)
    y,m,d = yearmonthday(dt)
    ny = yearwrap(y, m, -value(z))
    mm = monthwrap(m, -value(z)); ld = daysinmonth(ny, mm)
    return Date(ny, mm, d <= ld ? d : ld)
end

(+)(x::Date, y::Quarter) = x + Month(y)
(-)(x::Date, y::Quarter) = x - Month(y)
(+)(x::DateTime, y::Quarter) = x + Month(y)
(-)(x::DateTime, y::Quarter) = x - Month(y)
(+)(x::Date, y::Week) = return Date(UTD(value(x) + 7 * value(y)))
(-)(x::Date, y::Week) = return Date(UTD(value(x) - 7 * value(y)))
(+)(x::Date, y::Day)  = return Date(UTD(value(x) + value(y)))
(-)(x::Date, y::Day)  = return Date(UTD(value(x) - value(y)))
(+)(x::DateTime, y::Period) = return DateTime(UTM(value(x) + toms(y)))
(-)(x::DateTime, y::Period) = return DateTime(UTM(value(x) - toms(y)))
(+)(x::Time, y::TimePeriod) = return Time(Nanosecond(value(x) + tons(y)))
(-)(x::Time, y::TimePeriod) = return Time(Nanosecond(value(x) - tons(y)))
(+)(y::Period, x::TimeType) = x + y

# Missing support
(+)(x::AbstractTime, y::Missing) = missing
(+)(x::Missing, y::AbstractTime) = missing
(-)(x::AbstractTime, y::Missing) = missing
(-)(x::Missing, y::AbstractTime) = missing

# AbstractArray{TimeType}, AbstractArray{TimeType}
(-)(x::OrdinalRange{T}, y::OrdinalRange{T}) where {T<:TimeType} = Vector(x) - Vector(y)
(-)(x::AbstractRange{T}, y::AbstractRange{T}) where {T<:TimeType} = Vector(x) - Vector(y)

# Allow dates, times, and time zones to broadcast as unwrapped scalars
Base.Broadcast.broadcastable(x::AbstractTime) = Ref(x)
Base.Broadcast.broadcastable(x::TimeZone) = Ref(x)

1	# This file is a part of Julia. License is MIT: https://julialang.org/license
2
3	# Instant arithmetic
4	(+)(x::Instant) = x	×
5	(-)(x::T, y::T) where {T<:Instant} = x.periods - y.periods	91,197✔
6
7	# TimeType arithmetic
8	(+)(x::TimeType) = x	×
9	(-)(x::T, y::T) where {T<:TimeType} = x.instant - y.instant	91,211✔
10
11	# Date-Time arithmetic
12	"""
13	dt::Date + t::Time -> DateTime
14
15	The addition of a `Date` with a `Time` produces a `DateTime`. The hour, minute, second, and millisecond parts of
16	the `Time` are used along with the year, month, and day of the `Date` to create the new `DateTime`.
17	Non-zero microseconds or nanoseconds in the `Time` type will result in an `InexactError` being thrown.
18	"""
19	(+)(dt::Date, t::Time) = DateTime(dt ,t)	5✔
20	(+)(t::Time, dt::Date) = DateTime(dt, t)	1✔
21
22	# TimeType-Year arithmetic
23	function (+)(dt::DateTime, y::Year)	29✔
24	oy, m, d = yearmonthday(dt); ny = oy + value(y); ld = daysinmonth(ny, m)	87✔
25	return DateTime(ny, m, d <= ld ? d : ld, hour(dt), minute(dt), second(dt), millisecond(dt))	29✔
26	end
27	function (+)(dt::Date,y::Year)	39✔
28	oy, m, d = yearmonthday(dt); ny = oy + value(y); ld = daysinmonth(ny, m)	117✔
29	return Date(ny, m, d <= ld ? d : ld)	39✔
30	end
31	function (-)(dt::DateTime,y::Year)	7✔
32	oy, m, d = yearmonthday(dt); ny = oy - value(y); ld = daysinmonth(ny, m)	21✔
33	return DateTime(ny, m, d <= ld ? d : ld, hour(dt), minute(dt), second(dt), millisecond(dt))	7✔
34	end
35	function (-)(dt::Date,y::Year)	29✔
36	oy, m, d = yearmonthday(dt); ny = oy - value(y); ld = daysinmonth(ny, m)	87✔
37	return Date(ny, m, d <= ld ? d : ld)	29✔
38	end
39
40	# TimeType-Month arithmetic
41	# monthwrap adds two months with wraparound behavior (i.e. 12 + 1 == 1)
42	monthwrap(m1, m2) = (v = mod1(m1 + m2, 12); return v < 0 ? 12 + v : v)	2,344✔
43	# yearwrap takes a starting year/month and a month to add and returns
44	# the resulting year with wraparound behavior (i.e. 2000-12 + 1 == 2001)
45	yearwrap(y, m1, m2) = y + fld(m1 + m2 - 1, 12)	807✔
46
47	function (+)(dt::DateTime, z::Month)	24✔
48	y,m,d = yearmonthday(dt)	24✔
49	ny = yearwrap(y, m, value(z))	24✔
50	mm = monthwrap(m, value(z)); ld = daysinmonth(ny, mm)	72✔
51	return DateTime(ny, mm, d <= ld ? d : ld, hour(dt), minute(dt), second(dt), millisecond(dt))	24✔
52	end
53
54	function (+)(dt::Date, z::Month)	680✔
55	y,m,d = yearmonthday(dt)	680✔
56	ny = yearwrap(y, m, value(z))	680✔
57	mm = monthwrap(m, value(z)); ld = daysinmonth(ny, mm)	2,040✔
58	return Date(ny, mm, d <= ld ? d : ld)	680✔
59	end
60	function (-)(dt::DateTime, z::Month)	10✔
61	y,m,d = yearmonthday(dt)	10✔
62	ny = yearwrap(y, m, -value(z))	10✔
63	mm = monthwrap(m, -value(z)); ld = daysinmonth(ny, mm)	30✔
64	return DateTime(ny, mm, d <= ld ? d : ld, hour(dt), minute(dt), second(dt), millisecond(dt))	10✔
65	end
66	function (-)(dt::Date, z::Month)	40✔
67	y,m,d = yearmonthday(dt)	40✔
68	ny = yearwrap(y, m, -value(z))	40✔
69	mm = monthwrap(m, -value(z)); ld = daysinmonth(ny, mm)	120✔
70	return Date(ny, mm, d <= ld ? d : ld)	40✔
71	end
72
73	(+)(x::Date, y::Quarter) = x + Month(y)	3✔
74	(-)(x::Date, y::Quarter) = x - Month(y)	1✔
75	(+)(x::DateTime, y::Quarter) = x + Month(y)	2✔
76	(-)(x::DateTime, y::Quarter) = x - Month(y)	×
77	(+)(x::Date, y::Week) = return Date(UTD(value(x) + 7 * value(y)))	754✔
78	(-)(x::Date, y::Week) = return Date(UTD(value(x) - 7 * value(y)))	4✔
79	(+)(x::Date, y::Day) = return Date(UTD(value(x) + value(y)))	43,430✔
80	(-)(x::Date, y::Day) = return Date(UTD(value(x) - value(y)))	197✔
81	(+)(x::DateTime, y::Period) = return DateTime(UTM(value(x) + toms(y)))	139,357✔
82	(-)(x::DateTime, y::Period) = return DateTime(UTM(value(x) - toms(y)))	80✔
83	(+)(x::Time, y::TimePeriod) = return Time(Nanosecond(value(x) + tons(y)))	36,692✔
84	(-)(x::Time, y::TimePeriod) = return Time(Nanosecond(value(x) - tons(y)))	64✔
85	(+)(y::Period, x::TimeType) = x + y	9✔
86
87	# Missing support
88	(+)(x::AbstractTime, y::Missing) = missing	12✔
89	(+)(x::Missing, y::AbstractTime) = missing	12✔
90	(-)(x::AbstractTime, y::Missing) = missing	12✔
91	(-)(x::Missing, y::AbstractTime) = missing	12✔
92
93	# AbstractArray{TimeType}, AbstractArray{TimeType}
94	(-)(x::OrdinalRange{T}, y::OrdinalRange{T}) where {T<:TimeType} = Vector(x) - Vector(y)	2✔
95	(-)(x::AbstractRange{T}, y::AbstractRange{T}) where {T<:TimeType} = Vector(x) - Vector(y)	×
96
97	# Allow dates, times, and time zones to broadcast as unwrapped scalars
98	Base.Broadcast.broadcastable(x::AbstractTime) = Ref(x)	94✔
99	Base.Broadcast.broadcastable(x::TimeZone) = Ref(x)	1✔

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