Function assert

assert(condition: unknown, msg?: string): asserts condition
Shorthand validation that a value exists.
Parameters
- condition: unknown
  The condition to validate against.
- msg: string = "Assertion failed"
  Message to throw if condition fails. Default value of Assertion failed.
Returns asserts condition
Example
```
assert(user != null, "User not found");
// Now `user` is not null or undefined in TS's eyes.
```
- Defined in src/safety/utils.ts:11