_sum

The _sum operator takes the sum of the values given as input. If a value is not a number, the value is skipped.

Arguments

array

An array of values to add.

Examples

Two numbers:

_sum:
  - 3
  - 4

Returns: 7

Array of numbers:

_sum:
  - 1
  - 2
  - 3
  - 4

Returns: 10

Non-numbers are skipped:

_sum:
  - 1
  - null
  - 3
  - "four"
  - 5

Returns: 9