Resolves any call of a StringFns entry to a Value, with its arguments in any order R accepts:
a join like paste0("cfg_", k) when every part resolves to a single string constant, and a transformation
like basename(p) when its argument does. Anything that does not resolve stays Top.
Resolves any call of a StringFns entry to a Value, with its arguments in any order R accepts: a join like
paste0("cfg_", k)when every part resolves to a single string constant, and a transformation likebasename(p)when its argument does. Anything that does not resolve staysTop.