Function reference • S7

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_function class_environment class_numeric class_atomic class_vector: S7 wrappers for base types

class_factor class_Date class_POSIXct class_data.frame: S7 wrappers for key S3 classes

new_S3_class(): Declare an S3 class

S4_register(): Register an S7 class with S4