mark html utf-8 encoding
A function is a type. A function call is an objection of A type
func is type
+ - * / is ready for new calc way
Environment -> Function-call object
clear useless file
clear useless files
Class Macro is no long need
remove useless files and functions
BuiltinFunc is useless
BuiltinType is useless
we use Class Member to evaluate AtomicExpression such as a.b.c.d
taichi is global env
closure_type managered by Taici
stage
GlobalEnrivonment don't need to be singleton
change taichi
change taichi
taichi is the big bang
When define a type, a taichi is need