C++ 14 Features.

C++14 is a version for the programming language C++. New language features

• Function return type deduction

• Alternate type deduction on declaration[5]

• Relaxed constexpr restrictions

• Variable templates

• Aggregate member initialization

• Binary literals

• Digit separators

• Generic lambdas

• Lambda capture expressions

• The attribute [[deprecated]]

New standard library features

• Shared mutexes and locking

• Heterogeneous lookup in associative containers

• Standard user-defined literals

• Tuple addressing via type

• Smaller library features Ex---make_unique