Function frunk_proc_macro_helpers::build_hlist_constr 
source · pub fn build_hlist_constr<L: IntoIterator>(items: L) -> TokenStreamwhere
    L::Item: ToTokens,
    L::IntoIter: DoubleEndedIterator,Expand description
Given a list of expressions or patterns, creates an AST for the corresponding HList constructor, which may itself be used as an expression or a pattern.