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.IX Title "DateTime::Infinite 3"
.TH DateTime::Infinite 3 2026-08-31 "perl v5.44.0" "User Contributed Perl Documentation"
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.SH SYNOPSIS
.IX Header "SYNOPSIS"
.Vb 2
\&  my $future = DateTime::Infinite::Future\->new;
\&  my $past   = DateTime::Infinite::Past\->new;
.Ve
.SH DESCRIPTION
.IX Header "DESCRIPTION"
This module provides two DateTime subclasses, \f(CW\*(C`DateTime::Infinite::Future\*(C'\fR
and \f(CW\*(C`DateTime::Infinite::Past\*(C'\fR.
.PP
The objects are always in the "floating" timezone, and this cannot be changed.
.SH BUGS
.IX Header "BUGS"
There seem to be lots of problems when dealing with infinite numbers on Win32.
This may be a problem with this code, Perl, or Win32\*(Aqs IEEE math
implementation. Either way, the module may not be well\-behaved on Win32
operating systems.
.SH METHODS
.IX Header "METHODS"
The only constructor for these two classes is the \f(CW\*(C`new\*(C'\fR method, as shown in
the "SYNOPSIS". This method takes no parameters.
.PP
All "get" methods in this module simply return infinity, positive or negative.
If the method is expected to return a string, it returns the string
representation of positive or negative infinity used by your system. For
example, on my system calling \f(CW\*(C`$dt\->year\*(C'\fR> returns a number which when
printed appears either "Inf" or "\-Inf".
.PP
This also applies to methods that are compound stringifications, which return
the same strings even for things like \f(CW\*(C`$dt\->ymd\*(C'\fR or \f(CW\*(C`$dt\->iso8601\*(C'\fR
.PP
The object is not mutable, so the \f(CW\*(C`$dt\->set\*(C'\fR, \f(CW\*(C`$dt\->set_time_zone\*(C'\fR,
and \f(CW\*(C`$dt\->truncate\*(C'\fR methods are all do\-nothing methods that simply return
the object they are called with.
.PP
Obviously, the \f(CW\*(C`$dt\->is_finite\*(C'\fR method returns false and the \f(CW\*(C`$dt\->is_infinite\*(C'\fR method returns true.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
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