box (version 1.2.1)

spec: Parse a mod or pkg spec expression passed to use

Description

Parse a mod or pkg spec expression passed to use

Usage

parse_spec(expr, alias)
mod_spec(spec, ...)
pkg_spec(spec, ...)
spec_name(spec)

Value

parse_spec returns a named list that contains information about the parsed mod specification. Currently it contains:

name

the module or package name

prefix

the prefix, if the spec is a module

attach

a named vector of symbols to attach, or TRUE to attach all symbols, or NULL to attach nothing

alias

the module or package alias

explicit

a logical value indicating whether the caller provided an explicit alias

Arguments

expr

the mod or pkg spec expression to parse

alias

the mod or pkg spec alias as a character, or NULL

spec

named list of information the parser constructed from a given spec expression

...

further information about a spec, not represented by the spec expression parse tree