Parse a mod or pkg spec expression passed to use
Parse a mod or pkg spec expression passed to use
parse_spec(expr, alias) mod_spec(spec, ...) pkg_spec(spec, ...) spec_name(spec)
expr |
the mod or pkg spec expression to parse |
alias |
the mod or pkg spec alias as a character, or |
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 |
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
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