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.\" ========================================================================
.\"
.IX Title "TAP::Base 3perl"
.TH TAP::Base 3perl 2023-11-30 "perl v5.38.2" "Perl Programmers Reference Guide"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
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.nh
.SH NAME
TAP::Base \- Base class that provides common functionality to TAP::Parser
and TAP::Harness
.SH VERSION
.IX Header "VERSION"
Version 3.44
.SH SYNOPSIS
.IX Header "SYNOPSIS"
.Vb 1
\&    package TAP::Whatever;
\&
\&    use base \*(AqTAP::Base\*(Aq;
\&
\&    # ... later ...
\&    
\&    my $thing = TAP::Whatever\->new();
\&    
\&    $thing\->callback( event => sub {
\&        # do something interesting
\&    } );
.Ve
.SH DESCRIPTION
.IX Header "DESCRIPTION"
\&\f(CW\*(C`TAP::Base\*(C'\fR provides callback management.
.SH METHODS
.IX Header "METHODS"
.SS "Class Methods"
.IX Subsection "Class Methods"
\fR\f(CI\*(C`callback\*(C'\fR\fI\fR
.IX Subsection "callback"
.PP
Install a callback for a named event.
.PP
\fR\f(CI\*(C`get_time\*(C'\fR\fI\fR
.IX Subsection "get_time"
.PP
Return the current time using Time::HiRes if available.
.PP
\fR\f(CI\*(C`time_is_hires\*(C'\fR\fI\fR
.IX Subsection "time_is_hires"
.PP
Return true if the time returned by get_time is high resolution (i.e. if Time::HiRes is available).
.PP
\fR\f(CI\*(C`get_times\*(C'\fR\fI\fR
.IX Subsection "get_times"
.PP
Return array reference of the four-element list of CPU seconds,
as with "times" in perlfunc.