methodDefinition: Access the data inside an S4 method definition

In acidgenomics/r-acidbase: Acid Genomics Base Functions

Access the data inside an S4 method definition

Description

Access the data inside an S4 method definition

Usage

methodFunction(f, signature, package)

methodFormals(f, signature, package)

Arguments

f	a generic function or the character-string name of one.
signature	the signature of classes to match to the arguments of f. See the details below.
package	character(1). Package name.

Value

• methodFormals: list. Extract the sealed formal arguments.

• methodFunction: function. Extract the sealed function.

Note

Updated 2021-08-13.

See Also

• Modified version of John Chambers' code.

• help(topic = "MethodDefinition-class", package = "methods").

• methods::selectMethod().

• methods::setMethod().

Examples

## Function ====
x <- methodFunction(
    f = "show",
    signature = "ANY",
    package = "methods"
)
class(x)
body(x)

## Formals ====
x <- methodFormals(
    f = "show",
    signature = "ANY",
    package = "methods"
)
class(x)
print(x)

acidgenomics/r-acidbase documentation built on Jan. 12, 2024, 3:56 a.m.