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--- %YAML:1.0
test: Simple In Place Substitution
brief: >
If you want to reuse an entire alias, only overwriting what is different
you can use a << in place substitution. This is not part of the official
YAML spec, but a widely implemented extension. See the following URL for
details: http://yaml.org/type/merge.html
yaml: |
foo: &foo
a: Steve
b: Clark
c: Brian
e: notnull
bar:
a: before
d: other
e: ~
<<: *foo
b: new
x: Oren
c:
foo: bar
bar: foo
bar_inline: {a: before, d: other, <<: *foo, b: new, x: Oren, c: { foo: bar, bar: foo}}
foo2: &foo2
a: Ballmer
ding: &dong [ fi, fei, fo, fam]
check:
<<:
- *foo
- *dong
isit: tested
head:
<<: [ *foo , *dong , *foo2 ]
taz: &taz
a: Steve
w:
p: 1234
nested:
<<: *taz
d: Doug
w: &nestedref
p: 12345
z:
<<: *nestedref
head_inline: &head_inline { <<: [ *foo , *dong , *foo2 ] }
recursive_inline: { <<: *head_inline, c: { <<: *foo2 } }
php: |
[
'foo' => ['a' => 'Steve', 'b' => 'Clark', 'c' => 'Brian', 'e' => 'notnull'],
'bar' => ['a' => 'before', 'd' => 'other', 'e' => null, 'b' => 'new', 'c' => ['foo' => 'bar', 'bar' => 'foo'], 'x' => 'Oren'],
'bar_inline' => ['a' => 'before', 'd' => 'other', 'b' => 'new', 'c' => ['foo' => 'bar', 'bar' => 'foo'], 'e' => 'notnull', 'x' => 'Oren'],
'foo2' => ['a' => 'Ballmer'],
'ding' => ['fi', 'fei', 'fo', 'fam'],
'check' => ['a' => 'Steve', 'b' => 'Clark', 'c' => 'Brian', 'e' => 'notnull', 'fi', 'fei', 'fo', 'fam', 'isit' => 'tested'],
'head' => ['a' => 'Steve', 'b' => 'Clark', 'c' => 'Brian', 'e' => 'notnull', 'fi', 'fei', 'fo', 'fam'],
'taz' => ['a' => 'Steve', 'w' => ['p' => 1234]],
'nested' => ['a' => 'Steve', 'w' => ['p' => 12345], 'd' => 'Doug', 'z' => ['p' => 12345]],
'head_inline' => ['a' => 'Steve', 'b' => 'Clark', 'c' => 'Brian', 'e' => 'notnull', 'fi', 'fei', 'fo', 'fam'],
'recursive_inline' => ['a' => 'Steve', 'b' => 'Clark', 'c' => ['a' => 'Ballmer'], 'e' => 'notnull', 'fi', 'fei', 'fo', 'fam'],
]