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.\" ========================================================================
.\"
.IX Title "MouseX::NativeTraits::Num 3pm"
.TH MouseX::NativeTraits::Num 3pm "2012-11-26" "perl v5.18.1" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
MouseX::NativeTraits::Num \- Helper trait for Num attributes
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 2
\&  package Real;
\&  use Mouse;
\&
\&  has \*(Aqinteger\*(Aq => (
\&      traits    => [\*(AqNumber\*(Aq],
\&      is        => \*(Aqro\*(Aq,
\&      isa       => \*(AqNum\*(Aq,
\&      default   => 5,
\&      handles   => {
\&          set => \*(Aqset\*(Aq,
\&          add => \*(Aqadd\*(Aq,
\&          sub => \*(Aqsub\*(Aq,
\&          mul => \*(Aqmul\*(Aq,
\&          div => \*(Aqdiv\*(Aq,
\&          mod => \*(Aqmod\*(Aq,
\&          abs => \*(Aqabs\*(Aq,
\&      },
\&  );
\&
\&  my $real = Real\->new();
\&  $real\->add(5); # same as $real\->integer($real\->integer + 5);
\&  $real\->sub(2); # same as $real\->integer($real\->integer \- 2);
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
This provides a simple numeric attribute, which supports most of the
basic math operations.
.SH "PROVIDED METHODS"
.IX Header "PROVIDED METHODS"
It is important to note that all those methods do in place modification of the
value stored in the attribute. These methods are implemented within this
package.
.IP "\fBadd($value)\fR" 4
.IX Item "add($value)"
Adds the current value of the attribute to \f(CW$value\fR.
.IP "\fBsub($value)\fR" 4
.IX Item "sub($value)"
Subtracts \f(CW$value\fR from the current value of the attribute.
.IP "\fBmul($value)\fR" 4
.IX Item "mul($value)"
Multiplies the current value of the attribute by \f(CW$value\fR.
.IP "\fBdiv($value)\fR" 4
.IX Item "div($value)"
Divides the current value of the attribute by \f(CW$value\fR.
.IP "\fBmod($value)\fR" 4
.IX Item "mod($value)"
Returns the current value of the attribute modulo \f(CW$value\fR.
.IP "\fBabs\fR" 4
.IX Item "abs"
Sets the current value of the attribute to its absolute value.
.SH "METHODS"
.IX Header "METHODS"
.IP "\fBmeta\fR" 4
.IX Item "meta"
.PD 0
.IP "\fBmethod_provider_class\fR" 4
.IX Item "method_provider_class"
.IP "\fBhelper_type\fR" 4
.IX Item "helper_type"
.PD
.SH "SEE ALSO"
.IX Header "SEE ALSO"
MouseX::NativeTraits