module Flx_macro:sig..end
expand_expr is a special hook used to perform
constant folding and desugaring in the preprocessorval expand_macros : string -> int -> Flx_ast.statement_t list -> Flx_ast.statement_t listval expand_expression : string -> Flx_ast.expr_t -> Flx_ast.expr_texpand_expr is a special hook used to perform
constant folding and desugaring in the preprocessor