isClassOrNULL {midasHLA} | R Documentation

## Check if object is of class x or null

### Description

`isClassOrNULL` checks if object is an instance of a specified class or is null.

### Usage

    isClassOrNULL(x, class)

### Arguments

`x` | object to test.
`class` | String specifying class to test.

### Value

Logical indicating if `x` is an instance of `class`.

[Package midasHLA version 1.2.0 Index]