Function sum

sum(args: number[]): number
Sums initial and the items of an iterable and returns the total.

Returns
The total sum of initial and iterable elements.

Example
```
sum([1, 2, 3, 4])
// 10

sum([1, 2, 3, 4], 5)
// 15
```
Parameters
- args: number[]
  
  The elements to add to initial.
Returns number
- Defined in src/math/index.ts:145
sum<T>(args: Iterable<T>, key?: Predicate<T, any>): number
Type Parameters
- T
Parameters
- args: Iterable<T>
- Optional key: Predicate<T, any>
Returns number
- Defined in src/math/index.ts:146

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