# YAML Test Matrix

--- &test-ZWK4
  Title: Key with anchor after missing explicit mapping value
  Tags: [ anchor, explicit-key, mapping ]

---
a: 1
? b
&anchor c: 3

+STR
+DOC ---
+MAP
=VAL :a
=VAL :1
=VAL :b
=VAL :
=VAL &anchor :c
=VAL :3
-MAP
-DOC
-STR

{
  "a": 1,
  "b": null,
  "c": 3
}

{
  "a": "1",
  "b": null,
  "c": "3"
}

{
  "a": 1,
  "b": {},
  "c": 3
}

Syck parser (line 4, column 7): syntax error at /perl5/lib/perl5/x86_64-linux-thread-multi/YAML/Syck.pm line 60, <> line 1.

Syck parser (line 4, column 7): syntax error at /perl5/lib/perl5/x86_64-linux-thread-multi/YAML/Syck.pm line 60, <> line 1.

YAML Error: Invalid element in map
   Code: YAML_LOAD_ERR_BAD_MAP_ELEMENT
   Line: 4
   Document: 1
 at /perl5/lib/perl5/YAML/Loader.pm line 360.

YAML Error: Invalid element in map
   Code: YAML_LOAD_ERR_BAD_MAP_ELEMENT
   Line: 4
   Document: 1
 at /perl5/lib/perl5/YAML/Loader.pm line 360.

Line  Col Char Byte Token|Content
   1    0    0    0 +DOC |
   1    0    0    0 =HEAD|---
   1    3    3    3 +NODE|
   1    3    3    3 =EOL |\x0a
   2    0    4    4 +MAP |
   2    0    4    4 +PAIR|
   2    0    4    4 +NODE|
   2    0    4    4 +VAL |
   2    0    4    4 =TEXT|a
   2    1    5    5 -VAL |
   2    1    5    5 -NODE|
   2    1    5    5 =SYNX|:
   2    2    6    6 =WSPC|.
   2    3    7    7 +NODE|
   2    3    7    7 +VAL |
   2    3    7    7 =TEXT|1
   2    4    8    8 -VAL |
   2    4    8    8 -NODE|
   2    4    8    8 =EOL |\x0a
   3    0    9    9 -PAIR|
   3    0    9    9 +PAIR|
   3    0    9    9 =SYNX|?
   3    1   10   10 =WSPC|.
   3    2   11   11 +NODE|
   3    2   11   11 +VAL |
   3    2   11   11 =TEXT|b
   3    3   12   12 -VAL |
   3    3   12   12 -NODE|
   3    3   12   12 =EOL |\x0a
   4    0   13   13 +NODE|
   4    0   13   13 +VAL |
   4    0   13   13 -VAL |
   4    0   13   13 -NODE|
   4    0   13   13 -PAIR|
   4    0   13   13 +PAIR|
   4    0   13   13 +NODE|
   4    0   13   13 +PROP|
   4    0   13   13 +ANCH|
   4    0   13   13 =SYNX|&
   4    1   14   14 =META|anchor
   4    7   20   20 -ANCH|
   4    7   20   20 -PROP|
   4    7   20   20 =WSPC|.
   4    8   21   21 +VAL |
   4    8   21   21 =TEXT|c
   4    9   22   22 -VAL |
   4    9   22   22 -NODE|
   4    9   22   22 =SYNX|:
   4   10   23   23 =WSPC|.
   4   11   24   24 +NODE|
   4   11   24   24 +VAL |
   4   11   24   24 =TEXT|3
   4   12   25   25 -VAL |
   4   12   25   25 -NODE|
   4   12   25   25 =EOL |\x0a
   5    0   26   26 -PAIR|
   5    0   26   26 -MAP |
   5    0   26   26 -NODE|
   5    0   26   26 -DOC |

{
  'a' => 1,
  'b' => undef,
  'c' => 3
}

{
  'a' => 1,
  'b' => undef,
  'c' => 3
}

{
  'a' => 1,
  'b' => undef,
  'c' => 3
}

{'a': 1, 'b': None, 'c': 3}

{'a': 1, 'b': None, 'c': 3}

YAML::Tiny does not support a feature in line '? b' at /yaml/bin/perl-tiny-json line 12.

YAML::Tiny does not support a feature in line '? b' at /yaml/bin/perl-tiny-perl line 15.