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

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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)

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

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

box documentation built on May 2, 2023, 9:14 a.m.