Assertion: parameter | /r/HasProperty | indexed array name
Facets:
Source sentences:
text: If parameter is an indexed array name subscripted by ‘ @ ’ or ‘ * ’, the result is the length members of the array beginning with ${ parameter [ offset ]} .
text: If parameter is an indexed array name subscripted by a negative number, that number is interpreted as relative to one greater than the maximum index of parameter , so negative indices count back from the end of the array, and an index of -1 references the last element.