arg_list: Fetch promises associated with named arguments.

In crowding/vadr: Macros, metaprogramming, and pleasant programming idioms.

Description

Fetch promises associated with named arguments.

arg_get fetches arguments from a named list.

Usage

arg_dots(...)

get_dots(names, envir = arg_env(names, environment()))

Arguments

...	Variable names (unevaluated). Arguments may be named; these names determine the names on the dots list (and not the variable names)
names	A character vector or list of names.
envir	The environment to look for the argument names in. By default looks in the lexical environment of the name argument.

Value

a dots object containing the promises that are bound to those variables in the calling environment.

Note

The tags on the dots object are determined by argument names; variable names are discarded.

Author(s)

Peter Meilstrup

See Also

dots get_dots

crowding/vadr documentation built on May 14, 2019, 11:33 a.m.