Retrieves a package configuration's default value from the package's configuration metadata (column default_value
or default_value_dynamic
of
<pkg>::pkg_config
). If no default value is specified (NULL
), nothing is returned (NULL
).
Usage
pkg_config_val_default(key, pkg, env = parent.frame())
Arguments
- key
Configuration key name. A character scalar.
- pkg
Package name. A character scalar.
- env
Environment to evaluate
default_value_dynamic
in, if necessary.
See also
Other package configuration functions:
augment_pkg_config()
,
has_pkg_config_val()
,
pkg_config_val()
,
print_pkg_config()
Examples
try(
pal::pkg_config_val_default(key = "gen_pkgdown_ref",
pkg = "pkgpurl")
)
#> NULL