$$at

Retrieves an element from a specific position inside an input array

Usage

{ 
  "$$at": /* Array to fetch from */,
  "index": /* integer */
}

"$$at(<index>):{input}"

Returns

Same as value at specified index

Arguments

Argument	Type	Values	Required / Default Value	Description
Primary	array		Yes	Array to fetch from
index	integer		Yes	The index of element to return, negative indices will return element from the end (-n -> length - n)

Examples

Input

Definition

Output

[
  4,
  2,
  13
]

"$$at(0):$"

4

Test

[
  4,
  2,
  13
]

"$$at(1):$"

2

Test

[
  4,
  2,
  13
]

"$$at(-1):$"

13

Test

[
  4,
  2,
  13
]

"$$at(3):$"

null

Test

[
  4,
  2,
  13
]

"$$at:$"

null

Test

[
  4,
  2,
  13
]

{
  "$$at": "$",
  "index": 0
}

4

Test

[
  4,
  2,
  13
]

{
  "$$at": "$",
  "index": 1
}

2

Test

[
  4,
  2,
  13
]

{
  "$$at": "$",
  "index": -1
}

13

Test

[
  4,
  2,
  13
]

{
  "$$at": "$",
  "index": 3
}

null

Test

[
  4,
  2,
  13
]

{
  "$$at": "$"
}

null

Test