A.11. Quantifiers

The quantifier operators shown in table A.12 all return a Boolean value, using immediate execution:

• All checks whether all the elements in the sequence satisfy the given predicate.

• Any checks whether any of the elements in the sequence satisfy the given predicate, or whether there are any elements at all for the parameterless overload.

• Contains checks whether the sequence contains a particular element, optionally specifying a comparison to use.