Joy Online Manual
| NAME |
| objc:isNullObj - Check for null object pointer |
| SYNOPSIS |
objc:isNullObj object
| DESCRIPTION |
| Returns 1 if the given object is a NULL pointer to a Tcl_Obj, 0 otherwise. You can get the null object itself by writing [ItkObjCNullObj]. |
| EXAMPLE |
tcl> objc:isNullObj [ItkObjCNullObj]
1
| KEYWORDS |
| NULL, pointer, TclObj |
| Index |