1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
|
use 5.008;
use strict;
use warnings;
use Test::More;
use Test::Fatal;
{ package Local::Dummy1; use Test::Requires 'Mouse' };
note 'Local::Bleh';
{
package Local::Bleh;
use Mouse;
use Types::Standard -types;
use Sub::HandlesVia;
has nums => (
is => 'ro',
lazy => 1,
isa => ArrayRef[ Int->plus_coercions(Num, 'int($_)') ],
coerce => 1,
builder => sub { [1..2] },
handles_via => 'Array',
handles => {
splice_nums => 'splice',
splice_nums_tap => 'splice...',
first_num => [ 'get', 0 ],
},
);
}
my $bleh = Local::Bleh->new;
my @r = $bleh->splice_nums(0, 2, 3..5);
is_deeply($bleh->nums, [3..5], 'delegated method worked');
is_deeply(\@r, [1..2], '... and returned correct value');
is($bleh->first_num, 3, 'curried delegated method worked');
my $e = exception {
$bleh->splice_nums(1, 0, "foo");
};
like($e, qr/Value "foo" did not pass type constraint/, 'delegated method checked incoming types');
is_deeply($bleh->nums, [3..5], '... and kept the value safe');
my $ref = $bleh->nums;
$bleh->splice_nums(1, 0, '3.111');
is_deeply($bleh->nums, [3, 3, 4, 5], 'delegated coerced value');
my $ref2 = $bleh->nums;
is("$ref", "$ref2", '... without needing to build a new arrayref')
or do {
require B::Deparse;
diag( B::Deparse->new->coderef2text(\&Local::Bleh::splice_nums) );
};
$bleh = Local::Bleh->new;
@r = $bleh->splice_nums_tap(0, 2, 3..5);
is_deeply($bleh->nums, [3..5], 'delegated method with chaining worked');
is_deeply(\@r, [$bleh], '... and returned correct value');
note 'Local::Bleh2';
{
package Local::Bleh2;
use Mouse;
use Types::Standard -types;
use Sub::HandlesVia;
has nums => (
is => 'ro',
lazy => 1,
isa => ArrayRef->of(Int->plus_coercions(Num, 'int($_)'))->where('1', coercion=>1),
builder => sub { [] },
coerce => 1,
handles_via => 'Array',
handles => {
splice_nums => 'splice',
first_num => [ 'get', 0 ],
},
);
}
$bleh = Local::Bleh2->new;
$bleh->splice_nums(0, 0, 3..5);
is_deeply($bleh->nums, [3..5], 'delegated method worked');
is($bleh->first_num, 3, 'curried delegated method worked');
$e = exception {
$bleh->splice_nums(1, 0, "foo");
};
like($e, qr/type constraint/, 'delegated method has to do naive type check')
or do {
require B::Deparse;
diag( B::Deparse->new->coderef2text(\&Local::Bleh2::splice_nums) );
};
is_deeply($bleh->nums, [3..5], '... and kept the value safe');
$ref = $bleh->nums;
$bleh->splice_nums(1, 0, '3.111');
is_deeply($bleh->nums, [3, 3, 4, 5], 'delegated coerced value');
$ref2 = $bleh->nums;
isnt("$ref", "$ref2", '... but sadly needed to build a new arrayref');
done_testing;
|
