Release version 2.0

booleval version 2.0 stable, released on 2021/07/19

• transform library into header-only library
• fix bugs related to parsing expression and evaluation
• improve performance
• ensure zero copy
• update code style
• add benchmark results
• drop member function class with validity check

Release version 1.4

booleval version 1.4 stable, released on 2020/08/24

• fix specifying quoted strings inside parentheses
• fix small typo in README.md

Release version 1.3

booleval version 1.3 stable, released on 2020/06/12

• mark more functions constexpr
• add constexpr algo utilities
• change extension of header files from .h to .hpp
• handle fields from different classes
• handle quoted fields
• support string relational operations

Release version 1.2

booleval version 1.2 stable, released on 2020/04/11

• support build on gcc, clang and msvc
• change from Appveyor CI to Travis CI
• add code coverage reporting
• use class member pointers instead of a key-value map
• more unit tests
• fixed bugs

Release version 1.1

booleval version 1.1 stable, released on 2020/03/23

• fixed bug in the documentation
• support uppercase logical and relational operators
• fixed bug in building an expression tree with multiple parentheses
• rename node directory to tree
• split functionality of building an expression tree into a new expression_tree class

Release version 1.0

booleval version 1.0 stable, released on 2020/03/20