Function assertDefined

assertDefined<T>(
actual: T,
reason?: string,
): asserts actual is Exclude<T, undefined>
Asserts that the given value is not undefined. Note that null is considered to be a defined value.

Example:
```
assertDefined(someVar);
```
Type Parameters
- T
Parameters
- actual: T
  The value to check.
- Optionalreason: string
  Optional reason added to exception message when assertion fails.
Returns asserts actual is Exclude<T, undefined>
Throws
AssertionError when value is undefined.
- Defined in assertDefined.ts:22