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Author SHA1 Message Date
Anton MedvedevandGitHub fee5690347 Refactor checker to use Nature (#665) 
This PR introduces a new concept inside Expr's type checker - Nature.

It's an abstraction other reflect.Type which carries additional information about possible type, methods and builtin function.

I was able to find and fix a few bugs in type checker and optimizer. Implementation of nature concept has proven itself. As well nature will allow to bring more feature for type checker in future.

Why Nature? I was looking for a name to replace Type. Type name already carries much information, as well can be confused with reflect.Type. Nature name should be understood as "nature of the node", same as "type of the node".
 2024-06-01 00:09:22 +02:00
Anton Medvedev 551d2a7e0f Use expr-lang/expr 2023-12-03 21:53:01 +01:00
Anton Medvedev 54c29bfda2 Simplify "not in" operators 2022-11-06 13:04:35 +01:00
Anton Medvedev 97b2a9e16d Simplify ast.Visitor interface 2022-11-02 22:27:34 +01:00
Anton Medvedev 5e0ef67844 Use ast.Patch func 2020-03-16 16:29:25 +03:00
Anton MedvedevandGitHub acba548cab Add ConstExpr 2020-03-10 08:36:12 +03:00