Guidance for Package Authors | Compiling R files into a package: make_package | Naming rationalization ast2ast | Comparison of R and ETR code | The XPtr interface | First, one creates the external pointer of the R function. | Afterwards the external pointer is used in an R package | call the function from the R package

Overview | Type system in ast2ast | Setting types for function arguments | Default behavior | Using argtypes() | Borrowing, constness, and references | Setting types for variables inside the function | Static types vs. R's dynamic typing | Derivatives | Forward mode | Reverse mode | Design philosophy | Inner functions | Functionals | Optimizers | Custom types (new_type) | Interpolation

Defining a custom type | An inner function operating on the type | Translating and calling it

Boundary 1 -- R calls the translated function | Boundary 2 -- inside f, calling an inner fn() | In one table | The short version