Notation
X
A type that is a model of Multiple Associative Container
a
Object of type X
t
Object of type X::value_type
k
Object of type X::key_type
p, q
Object of type X::iterator
X
A type that is a model of Multiple Associative Container
a
Object of type X
t
Object of type X::value_type
k
Object of type X::key_type
p, q
Object of type X::iterator