showTypeInfo: Display information about argument types

In TypeInfo: Optional Type Specification Prototype

Description

This generic function returns type specifications as a list. Elements in the list contain information about different parts of the signature. The order and white spece of the list suggests structure of the type specification.

showTypeInfo is usually invoked with a single argument, the name of the function with type information.

Usage

showTypeInfo(object, name=character(), prefix="", ...)

Arguments

object	The object about which type information is required
name	Class name, not normally specified by user.
prefix	Used by methods to ensure pretty indentation type specifications.
...	Additional arguments used for derivatives of NamedTypeTest, not noramlly assigned by user.

Value

A list containing type information for def

Author(s)

MT Morgan <[e-mail]>

See Also

typeInfo

Examples

foo <- function(x) { return(x) }
typeInfo( foo ) <- SimultaneousTypeSpecification(
  TypedSignature( x = "numeric" ),
  returnType = "numeric" )
res <- showTypeInfo( foo )
cat( res, sep="\n" )

TypeInfo documentation built on Nov. 8, 2020, 5:40 p.m.