Reference

Key functions
new_class() new_object()	Define a new S7 class
new_generic() S7_dispatch()	Define a new generic
new_union()	Define a class union
`method<-`()	Register an S7 method for a generic
S7_inherits() check_is_S7()	Does this object inherit from an S7 class?
validate() valid_eventually() valid_implicitly()	Validate an S7 object
Properties
new_property()	Define a new property
prop() `prop<-`() `@`()	Get/set a property
prop_names() prop_exists()	Property introspection
props() `props<-`() set_props()	Get/set multiple properties
S7_data() `S7_data<-`()	Get/set underlying "base" data
Method dispatch
convert()	Convert an object from one type to another
class_missing	Dispatch on a missing argument
class_any	Dispatch on any class
method()	Find a method for an S7 generic
method_explain()	Explain method dispatch
super()	Force method dispatch to use a superclass
S7_class()	Retrieve the S7 class of an object
Packages Functions needed when using S7 within a package. See vignette("packages") for more details.
methods_register()	Register methods in a package
new_external_generic()	Generics in other packages
Compatibility These tools provide a layer of compatibility between S7 and S3 classes, S4 classes, and base types. See vignette("compatibility") for more details.
class_logical class_integer class_double class_complex class_character class_raw class_list class_expression class_name class_call class_function class_environment class_numeric class_atomic class_vector class_language	S7 wrappers for base types
class_factor class_Date class_POSIXct class_POSIXlt class_POSIXt class_data.frame class_formula	S7 wrappers for key S3 classes
new_S3_class()	Declare an S3 class
S4_register()	Register an S7 class with S4