• An example
• The Viper decorator
• @micropython.viper vs. @micropython.native decorator
• The Viper data types: int, uint, bool, ptr32, ptr16 and ptr8
• What to remember about Viper data types
• The Viper int data type
• Viper integer constants
• Create Viper int by assigning a value
• Create Viper int with a type hint on the function parameter
• Making sure a Viper int is a Viper int
• Differences of Viper int and builtins.int data types
• int() casting
• The Viper uint data type
• The viper bool data type
• The Viper ptr32, ptr16 and ptr8 data types
• Declaration of pointer variables with type hints on function argument
• Declaration of pointer variables with ptr32(), ptr16() and ptr8()
• Viper pointers and arrays
• Values of indexed pointers
• Assigning to a indexed pointer
• Relationship with mem8, mem16 and mem32 functions
• Viper pointer casting and pointer arithmetic
• Viper function parameters and return values
• Viper function parameters
• Passing a Viper variable to a called function
• Viper function return values
• Other topics
• Range vs. while
• Global variables
• Example of nonlocal and closure with Viper functions
• Viper in classes
• Slices
• async and generators
• Type hints in the body of a Viper function
• Test if a variable is of type Viper int
• Source code of the Viper code emitter
• Some error messages
• ViperTypeError: can't do binary op between 'int' and 'object'
• ViperTypeError: local 'x' has type 'int' but source is 'object'
• TypeError: can't convert str to int
• Some interesting links