is Pattern Rooted
Check if the pattern with the given index has a single root node.
Throws
If the index exceeds the pattern count.
Check if the pattern with the given index has a single root node.
Throws
If the index exceeds the pattern count.
Check if the pattern with the given index has a single root node.
Throws
If the index exceeds the pattern count.
Check if the pattern with the given index has a single root node.
Throws
If the index exceeds the pattern count.