method i16.checked_add
Checked addition: the sum, or none on overflow.
Example:
fn main() io {
let max: i16 = 32767
let min: i16 = -32768
print("{max.checked_add(1)}")
print("{(max - 1).checked_add(1)}")
}Output
none 32767
pub(api) fn checked_add(o: i16) -> i16?Complexity. O(1).
Since. 1.0.0-beta
Parameters
| Name | Type |
|---|---|
o | i16 |
Returns
i16?
Effects
none declared (pure unless the body says otherwise)
Defined in: std/core/numbers.oxl:709