isWithin function

bool isWithin (String parent, String child)

Returns true if child is a path beneath parent, and false otherwise.

p.isWithin('/root/path', '/root/path/a'); // -> true
p.isWithin('/root/path', '/root/other'); // -> false
p.isWithin('/root/path', '/root/path') // -> false

Implementation 

bool isWithin(String parent, String child) => context.isWithin(parent, child);