(Golang) Self referential functions and the design of options
3 months ago
- #Options
- #Go
- #Closures
- The author discusses a method for setting options in Go using self-referential functions.
- An option type is defined as a function that takes a pointer to a Foo struct.
- The Foo struct has an Option method that applies multiple options by calling them as functions.
- Options are implemented as closures that set values and can return previous states.
- The design allows for temporary option settings and easy restoration of previous values.
- The Verbosity function is used as an example to set and restore verbosity levels.
- The final design uses Go's defer mechanism for clean temporary option handling.
- The approach is praised for its elegance and usability from the client's perspective.