# Library import (unaliased dependency): tlib-chars's aliases merge
# into the importing document's scope (imported_aliases).
#
# NB: an import-charset alias as a parallel `from` is tree-path
# eligible in Ruby; a stdlib re-only alias (digit) must stay in a
# sequence rule (Ruby raises "Can't use digit in a par context").
system "T:rs-libdep:1" {
dependency "tlib-chars"
stage main {
parallel {
sub { from upper to "U" }
}
sequence {
sub { from digit to "#" }
}
}
tests {
"aA 7" -> "aU #"
}
}