def isAdmin = { attrs, body ->
def user = attrs['user']
if(user != null && checkUserPrivs(user)) {
out << body()
}
}<g:isAdmin user="${myUser}"> // some restricted content </g:isAdmin>
def isAdmin = { attrs, body ->
def user = attrs['user']
if(user != null && checkUserPrivs(user)) {
out << body()
}
}<g:isAdmin user="${myUser}"> // some restricted content </g:isAdmin>