sig
val mk :
?loc:Ast_404.??.loc ->
?attrs:Ast_404.??.attrs ->
?docs:Ast_404.Docstrings.docs ->
?text:Ast_404.Docstrings.text ->
Ast_404.Parsetree.pattern ->
Ast_404.Parsetree.expression -> Ast_404.Parsetree.value_binding
end