Init Guard
Add .R file for test
Fix lexer bug
Improve command line tool
v0.0.27100000
I love mathematics.
v0.0.27180000
Fix compile bugs
Add -v option to command line tool
Fix compiler bugs
Init python ex
Refactoring lang type
Fix list bugs
Init langs.yml
Improve error handling
Init metainfo class
Add haskell ex
Meta info can receive opts
Implement python vector
Init haskell example