Venus::Boolean - Boolean Class
package main;
use Venus::Boolean;
my $boolean = Venus::Boolean->new;
# $boolean->negate;
This package provides a representation for boolean values.
This package inherits behaviors from:
Venus::Kind::Value
This package provides the following methods:
cast(string $kind) (object | undef)
The cast method converts "value" objects between
different "value" object types, based on the name of the
type provided. This method will return
"undef" if the invocant is not a
Venus::Kind::Value.
Since 0.08
- cast example 1
-
package main;
use Venus::Boolean;
my $boolean = Venus::Boolean->new;
my $cast = $boolean->cast('array');
# bless({ value => [0] }, "Venus::Array")
- cast example 2
-
package main;
use Venus::Boolean;
my $boolean = Venus::Boolean->new;
my $cast = $boolean->cast('boolean');
# bless({ value => 0 }, "Venus::Boolean")
- cast example 3
-
package main;
use Venus::Boolean;
my $boolean = Venus::Boolean->new;
my $cast = $boolean->cast('code');
# bless({ value => sub { ... } }, "Venus::Code")
- cast example 4
-
package main;
use Venus::Boolean;
my $boolean = Venus::Boolean->new;
my $cast = $boolean->cast('float');
# bless({ value => "0.0" }, "Venus::Float")
- cast example 5
-
package main;
use Venus::Boolean;
my $boolean = Venus::Boolean->new;
my $cast = $boolean->cast('hash');
# bless({ value => { "0" => 0 } }, "Venus::Hash")
- cast example 6
-
package main;
use Venus::Boolean;
my $boolean = Venus::Boolean->new;
my $cast = $boolean->cast('number');
# bless({ value => 0 }, "Venus::Number")
- cast example 7
-
package main;
use Venus::Boolean;
my $boolean = Venus::Boolean->new;
my $cast = $boolean->cast('regexp');
# bless({ value => qr/(?^u:0)/ }, "Venus::Regexp")
- cast example 8
-
package main;
use Venus::Boolean;
my $boolean = Venus::Boolean->new;
my $cast = $boolean->cast('scalar');
# bless({ value => \0 }, "Venus::Scalar")
- cast example 9
-
package main;
use Venus::Boolean;
my $boolean = Venus::Boolean->new;
my $cast = $boolean->cast('string');
# bless({ value => 0 }, "Venus::String")
- cast example 10
-
package main;
use Venus::Boolean;
my $boolean = Venus::Boolean->new;
my $cast = $boolean->cast('undef');
# bless({ value => undef }, "Venus::Undef")
default() (boolean)
The default method returns the default value, i.e.
0.
Since 0.01
- default example 1
-
# given: synopsis;
my $default = $boolean->default;
# 0
eq(any $arg) (boolean)
The eq method performs an "equals" operation
using the argument provided.
Since 0.08
- eq example 1
-
package main;
use Venus::Array;
use Venus::Boolean;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Array->new;
my $result = $lvalue->eq($rvalue);
# 0
- eq example 2
-
package main;
use Venus::Boolean;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Boolean->new;
my $result = $lvalue->eq($rvalue);
# 1
- eq example 3
-
package main;
use Venus::Code;
use Venus::Boolean;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Code->new;
my $result = $lvalue->eq($rvalue);
# 0
- eq example 4
-
package main;
use Venus::Float;
use Venus::Boolean;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Float->new;
my $result = $lvalue->eq($rvalue);
# 1
- eq example 5
-
package main;
use Venus::Hash;
use Venus::Boolean;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Hash->new;
my $result = $lvalue->eq($rvalue);
# 0
- eq example 6
-
package main;
use Venus::Boolean;
use Venus::Number;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Number->new;
my $result = $lvalue->eq($rvalue);
# 1
- eq example 7
-
package main;
use Venus::Boolean;
use Venus::Regexp;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Regexp->new;
my $result = $lvalue->eq($rvalue);
# 0
- eq example 8
-
package main;
use Venus::Boolean;
use Venus::Scalar;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Scalar->new;
my $result = $lvalue->eq($rvalue);
# 0
- eq example 9
-
package main;
use Venus::Boolean;
use Venus::String;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::String->new;
my $result = $lvalue->eq($rvalue);
# 1
- eq example 10
-
package main;
use Venus::Boolean;
use Venus::Undef;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Undef->new;
my $result = $lvalue->eq($rvalue);
# 1
ge(any $arg) (boolean)
The ge method performs a
"greater-than-or-equal-to" operation using the argument
provided.
Since 0.08
- ge example 1
-
package main;
use Venus::Array;
use Venus::Boolean;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Array->new;
my $result = $lvalue->ge($rvalue);
# 0
- ge example 2
-
package main;
use Venus::Boolean;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Boolean->new;
my $result = $lvalue->ge($rvalue);
# 1
- ge example 3
-
package main;
use Venus::Code;
use Venus::Boolean;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Code->new;
my $result = $lvalue->ge($rvalue);
# 0
- ge example 4
-
package main;
use Venus::Hash;
use Venus::Boolean;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Hash->new;
my $result = $lvalue->ge($rvalue);
# 0
- ge example 5
-
package main;
use Venus::Boolean;
use Venus::Number;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Number->new;
my $result = $lvalue->ge($rvalue);
# 1
- ge example 6
-
package main;
use Venus::Boolean;
use Venus::Regexp;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Regexp->new;
my $result = $lvalue->ge($rvalue);
# 0
- ge example 7
-
package main;
use Venus::Boolean;
use Venus::Scalar;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Scalar->new;
my $result = $lvalue->ge($rvalue);
# 0
- ge example 8
-
package main;
use Venus::Boolean;
use Venus::String;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::String->new;
my $result = $lvalue->ge($rvalue);
# 1
- ge example 9
-
package main;
use Venus::Boolean;
use Venus::Undef;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Undef->new;
my $result = $lvalue->ge($rvalue);
# 1
gele(any $arg1, any $arg2) (boolean)
The gele method performs a
"greater-than-or-equal-to" operation on the 1st argument,
and "lesser-than-or-equal-to" operation on the 2nd
argument.
Since 0.08
- gele example 1
-
package main;
use Venus::Array;
use Venus::Boolean;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Array->new;
my $result = $lvalue->gele($rvalue);
# 0
- gele example 2
-
package main;
use Venus::Boolean;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Boolean->new;
my $result = $lvalue->gele($rvalue);
# 1
- gele example 3
-
package main;
use Venus::Code;
use Venus::Boolean;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Code->new;
my $result = $lvalue->gele($rvalue);
# 0
- gele example 4
-
package main;
use Venus::Float;
use Venus::Boolean;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Number->new;
my $result = $lvalue->gele($rvalue);
# 1
- gele example 5
-
package main;
use Venus::Hash;
use Venus::Boolean;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Hash->new;
my $result = $lvalue->gele($rvalue);
# 0
- gele example 6
-
package main;
use Venus::Boolean;
use Venus::Number;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Number->new;
my $result = $lvalue->gele($rvalue);
# 1
- gele example 7
-
package main;
use Venus::Boolean;
use Venus::Regexp;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Regexp->new;
my $result = $lvalue->gele($rvalue);
# 0
- gele example 8
-
package main;
use Venus::Boolean;
use Venus::Scalar;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Scalar->new;
my $result = $lvalue->gele($rvalue);
# 0
- gele example 9
-
package main;
use Venus::Boolean;
use Venus::String;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::String->new;
my $result = $lvalue->gele($rvalue);
# 1
- gele example 10
-
package main;
use Venus::Boolean;
use Venus::Undef;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Undef->new;
my $result = $lvalue->gele($rvalue);
# 1
gt(any $arg) (boolean)
The gt method performs a "greater-than" operation
using the argument provided.
Since 0.08
- gt example 1
-
package main;
use Venus::Array;
use Venus::Boolean;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Array->new;
my $result = $lvalue->gt($rvalue);
# 0
- gt example 2
-
package main;
use Venus::Boolean;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Boolean->new;
my $result = $lvalue->gt($rvalue);
# 0
- gt example 3
-
package main;
use Venus::Code;
use Venus::Boolean;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Code->new;
my $result = $lvalue->gt($rvalue);
# 0
- gt example 4
-
package main;
use Venus::Float;
use Venus::Boolean;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Float->new;
my $result = $lvalue->gt($rvalue);
# 0
- gt example 5
-
package main;
use Venus::Hash;
use Venus::Boolean;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Hash->new;
my $result = $lvalue->gt($rvalue);
# 0
- gt example 6
-
package main;
use Venus::Boolean;
use Venus::Number;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Number->new;
my $result = $lvalue->gt($rvalue);
# 0
- gt example 7
-
package main;
use Venus::Boolean;
use Venus::Regexp;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Regexp->new;
my $result = $lvalue->gt($rvalue);
# 0
- gt example 8
-
package main;
use Venus::Boolean;
use Venus::Scalar;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Scalar->new;
my $result = $lvalue->gt($rvalue);
# 0
- gt example 9
-
package main;
use Venus::Boolean;
use Venus::String;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::String->new;
my $result = $lvalue->gt($rvalue);
# 0
- gt example 10
-
package main;
use Venus::Boolean;
use Venus::Undef;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Undef->new;
my $result = $lvalue->gt($rvalue);
# 0
gtlt(any $arg1, any $arg2) (boolean)
The gtlt method performs a "greater-than"
operation on the 1st argument, and "lesser-than" operation
on the 2nd argument.
Since 0.08
- gtlt example 1
-
package main;
use Venus::Array;
use Venus::Boolean;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Array->new;
my $result = $lvalue->gtlt($rvalue);
# 0
- gtlt example 2
-
package main;
use Venus::Boolean;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Boolean->new;
my $result = $lvalue->gtlt($rvalue);
# 0
- gtlt example 3
-
package main;
use Venus::Code;
use Venus::Boolean;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Code->new;
my $result = $lvalue->gtlt($rvalue);
# 0
- gtlt example 4
-
package main;
use Venus::Float;
use Venus::Boolean;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Float->new;
my $result = $lvalue->gtlt($rvalue);
# 0
- gtlt example 5
-
package main;
use Venus::Hash;
use Venus::Boolean;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Hash->new;
my $result = $lvalue->gtlt($rvalue);
# 0
- gtlt example 6
-
package main;
use Venus::Boolean;
use Venus::Number;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Number->new;
my $result = $lvalue->gtlt($rvalue);
# 0
- gtlt example 7
-
package main;
use Venus::Boolean;
use Venus::Regexp;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Regexp->new;
my $result = $lvalue->gtlt($rvalue);
# 0
- gtlt example 8
-
package main;
use Venus::Boolean;
use Venus::Scalar;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Scalar->new;
my $result = $lvalue->gtlt($rvalue);
# 0
- gtlt example 9
-
package main;
use Venus::Boolean;
use Venus::String;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::String->new;
my $result = $lvalue->gtlt($rvalue);
# 0
- gtlt example 10
-
package main;
use Venus::Boolean;
use Venus::Undef;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Undef->new;
my $result = $lvalue->gtlt($rvalue);
# 0
is_false() (boolean)
The is_false method returns
"false" if the boolean is falsy, otherwise
returns "true".
Since 0.01
- is_false example 1
-
# given: synopsis;
my $is_false = $boolean->is_false;
# 1
is_true() (boolean)
The is_true method returns
"true" if the boolean is truthy, otherwise
returns "false".
Since 0.01
- is_true example 1
-
# given: synopsis;
my $is_true = $boolean->is_true;
# 0
le(any $arg) (boolean)
The le method performs a
"lesser-than-or-equal-to" operation using the argument
provided.
Since 0.08
- le example 1
-
package main;
use Venus::Array;
use Venus::Boolean;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Array->new;
my $result = $lvalue->le($rvalue);
# 1
- le example 2
-
package main;
use Venus::Boolean;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Boolean->new;
my $result = $lvalue->le($rvalue);
# 1
- le example 3
-
package main;
use Venus::Code;
use Venus::Boolean;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Code->new;
my $result = $lvalue->le($rvalue);
# 1
- le example 4
-
package main;
use Venus::Float;
use Venus::Boolean;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Float->new;
my $result = $lvalue->le($rvalue);
# 1
- le example 5
-
package main;
use Venus::Hash;
use Venus::Boolean;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Hash->new;
my $result = $lvalue->le($rvalue);
# 1
- le example 6
-
package main;
use Venus::Boolean;
use Venus::Number;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Number->new;
my $result = $lvalue->le($rvalue);
# 1
- le example 7
-
package main;
use Venus::Boolean;
use Venus::Regexp;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Regexp->new;
my $result = $lvalue->le($rvalue);
# 1
- le example 8
-
package main;
use Venus::Boolean;
use Venus::Scalar;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Scalar->new;
my $result = $lvalue->le($rvalue);
# 1
- le example 9
-
package main;
use Venus::Boolean;
use Venus::String;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::String->new;
my $result = $lvalue->le($rvalue);
# 1
- le example 10
-
package main;
use Venus::Boolean;
use Venus::Undef;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Undef->new;
my $result = $lvalue->le($rvalue);
# 1
lt(any $arg) (boolean)
The lt method performs a "lesser-than" operation
using the argument provided.
Since 0.08
- lt example 1
-
package main;
use Venus::Array;
use Venus::Boolean;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Array->new;
my $result = $lvalue->lt($rvalue);
# 1
- lt example 2
-
package main;
use Venus::Boolean;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Boolean->new;
my $result = $lvalue->lt($rvalue);
# 0
- lt example 3
-
package main;
use Venus::Code;
use Venus::Boolean;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Code->new;
my $result = $lvalue->lt($rvalue);
# 1
- lt example 4
-
package main;
use Venus::Float;
use Venus::Boolean;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Float->new;
my $result = $lvalue->lt($rvalue);
# 0
- lt example 5
-
package main;
use Venus::Hash;
use Venus::Boolean;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Hash->new;
my $result = $lvalue->lt($rvalue);
# 1
- lt example 6
-
package main;
use Venus::Boolean;
use Venus::Number;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Number->new;
my $result = $lvalue->lt($rvalue);
# 0
- lt example 7
-
package main;
use Venus::Boolean;
use Venus::Regexp;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Regexp->new;
my $result = $lvalue->lt($rvalue);
# 1
- lt example 8
-
package main;
use Venus::Boolean;
use Venus::Scalar;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Scalar->new;
my $result = $lvalue->lt($rvalue);
# 1
- lt example 9
-
package main;
use Venus::Boolean;
use Venus::String;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::String->new;
my $result = $lvalue->lt($rvalue);
# 0
- lt example 10
-
package main;
use Venus::Boolean;
use Venus::Undef;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Undef->new;
my $result = $lvalue->lt($rvalue);
# 0
ne(any $arg) (boolean)
The ne method performs a "not-equal-to" operation
using the argument provided.
Since 0.08
- ne example 1
-
package main;
use Venus::Array;
use Venus::Boolean;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Array->new;
my $result = $lvalue->ne($rvalue);
# 1
- ne example 2
-
package main;
use Venus::Boolean;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Boolean->new;
my $result = $lvalue->ne($rvalue);
# 0
- ne example 3
-
package main;
use Venus::Code;
use Venus::Boolean;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Code->new;
my $result = $lvalue->ne($rvalue);
# 1
- ne example 4
-
package main;
use Venus::Float;
use Venus::Boolean;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Float->new;
my $result = $lvalue->ne($rvalue);
# 0
- ne example 5
-
package main;
use Venus::Hash;
use Venus::Boolean;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Hash->new;
my $result = $lvalue->ne($rvalue);
# 1
- ne example 6
-
package main;
use Venus::Boolean;
use Venus::Number;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Number->new;
my $result = $lvalue->ne($rvalue);
# 0
- ne example 7
-
package main;
use Venus::Boolean;
use Venus::Regexp;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Regexp->new;
my $result = $lvalue->ne($rvalue);
# 1
- ne example 8
-
package main;
use Venus::Boolean;
use Venus::Scalar;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Scalar->new;
my $result = $lvalue->ne($rvalue);
# 1
- ne example 9
-
package main;
use Venus::Boolean;
use Venus::String;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::String->new;
my $result = $lvalue->ne($rvalue);
# 0
- ne example 10
-
package main;
use Venus::Boolean;
use Venus::Undef;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Undef->new;
my $result = $lvalue->ne($rvalue);
# 0
negate() (boolean)
The negate method returns "true"
if the boolean is falsy, otherwise returns
"false".
Since 0.01
- negate example 1
-
# given: synopsis;
my $negate = $boolean->negate;
# 1
numified() (number)
The numified method returns the numerical representation of the
object.
Since 0.08
- numified example 1
-
# given: synopsis;
my $numified = $boolean->numified;
# 1
- numified example 2
-
package main;
use Venus::Boolean;
my $boolean = Venus::Boolean->new(0);
my $numified = $boolean->numified;
# 0
- numified example 3
-
package main;
use Venus::Boolean;
my $boolean = Venus::Boolean->new(1);
my $numified = $boolean->numified;
# 1
string() (string)
The string method returns the word 'true'
if the boolean is truthy, otherwise returns 'false'.
This method was formerly named "type".
Since 0.08
- string example 1
-
# given: synopsis;
my $string = $boolean->string;
# "false"
tv(any $arg) (boolean)
The tv method performs a
"type-and-value-equal-to" operation using argument
provided.
Since 0.08
- tv example 1
-
package main;
use Venus::Array;
use Venus::Boolean;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Array->new;
my $result = $lvalue->tv($rvalue);
# 0
- tv example 2
-
package main;
use Venus::Boolean;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Boolean->new;
my $result = $lvalue->tv($rvalue);
# 1
- tv example 3
-
package main;
use Venus::Code;
use Venus::Boolean;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Code->new;
my $result = $lvalue->tv($rvalue);
# 0
- tv example 4
-
package main;
use Venus::Float;
use Venus::Boolean;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Float->new;
my $result = $lvalue->tv($rvalue);
# 0
- tv example 5
-
package main;
use Venus::Hash;
use Venus::Boolean;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Hash->new;
my $result = $lvalue->tv($rvalue);
# 0
- tv example 6
-
package main;
use Venus::Boolean;
use Venus::Number;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Number->new;
my $result = $lvalue->tv($rvalue);
# 0
- tv example 7
-
package main;
use Venus::Boolean;
use Venus::Regexp;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Regexp->new;
my $result = $lvalue->tv($rvalue);
# 0
- tv example 8
-
package main;
use Venus::Boolean;
use Venus::Scalar;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Scalar->new;
my $result = $lvalue->tv($rvalue);
# 0
- tv example 9
-
package main;
use Venus::Boolean;
use Venus::String;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::String->new;
my $result = $lvalue->tv($rvalue);
# 0
- tv example 10
-
package main;
use Venus::Boolean;
use Venus::Undef;
my $lvalue = Venus::Boolean->new;
my $rvalue = Venus::Undef->new;
my $result = $lvalue->tv($rvalue);
# 0
This package overloads the following operators:
- operation:
"(!)"
- This package overloads the "!" operator.
example 1
# given: synopsis;
my $result = !$boolean;
# 1
- operation:
"(!=)"
- This package overloads the "!="
operator.
example 1
# given: synopsis;
my $result = $boolean != 1;
# 1
- operation:
"(==)"
- This package overloads the "=="
operator.
example 1
# given: synopsis;
my $result = $boolean == 0;
# 1
- operation:
"(>)"
- This package overloads the ">"
operator.
example 1
# given: synopsis;
my $result = $boolean > 0;
# 0
- operation:
"(>=)"
- This package overloads the ">="
operator.
example 1
# given: synopsis;
my $result = $boolean >= 0;
# 1
- operation:
"(<)"
- This package overloads the "<"
operator.
example 1
# given: synopsis;
my $result = $boolean < 1;
# 1
- operation:
"(<=)"
- This package overloads the "<="
operator.
example 1
# given: synopsis;
my $result = $boolean <= 0;
# 1
- operation:
"(bool)"
- This package overloads the "bool"
operator.
example 1
# given: synopsis;
my $result = !!$boolean;
# 0
- operation:
"(eq)"
- This package overloads the "eq"
operator.
example 1
# given: synopsis;
my $result = $boolean eq '0';
# 1
- operation:
"(ne)"
- This package overloads the "ne"
operator.
example 1
# given: synopsis;
my $result = $boolean ne '1';
# 1
- operation:
"(qr)"
- This package overloads the "qr"
operator.
example 1
# given: synopsis;
my $result = '0' =~ qr/$boolean/;
# 1
Awncorp, "awncorp@cpan.org"
Copyright (C) 2022, Awncorp,
"awncorp@cpan.org".
This program is free software, you can redistribute it and/or
modify it under the terms of the Apache license version 2.0.