tests/ui/issues/issue-47364.rs

   1 // run-pass
   2 #![allow(unused_variables)]
   3 // compile-flags: -C codegen-units=8 -O
   4 #![allow(non_snake_case)]
   5
   6 fn main() {
   7     nom_sql::selection(b"x ");
   8 }
   9
  10 pub enum Err<P>{
  11     Position(P),
  12     NodePosition(u32),
  13 }
  14
  15 pub enum IResult<I,O> {
  16     Done(I,O),
  17     Error(Err<I>),
  18     Incomplete(u32, u64)
  19 }
  20
  21 pub fn multispace<T: Copy>(input: T) -> ::IResult<i8, i8> {
  22     ::IResult::Done(0, 0)
  23 }
  24
  25 mod nom_sql {
  26     fn where_clause(i: &[u8]) -> ::IResult<&[u8], Option<String>> {
  27         let X = match ::multispace(i) {
  28             ::IResult::Done(..) => ::IResult::Done(i, None::<String>),
  29             _ => ::IResult::Error(::Err::NodePosition(0)),
  30         };
  31         match X {
  32             ::IResult::Done(_, _) => ::IResult::Done(i, None),
  33             _ => X
  34         }
  35     }
  36
  37     pub fn selection(i: &[u8]) {
  38         let Y = match {
  39             match {
  40                 where_clause(i)
  41             } {
  42                 ::IResult::Done(_, o) => ::IResult::Done(i, Some(o)),
  43                 ::IResult::Error(_) => ::IResult::Done(i, None),
  44                 _ => ::IResult::Incomplete(0, 0),
  45             }
  46         } {
  47             ::IResult::Done(z, _) => ::IResult::Done(z, None::<String>),
  48             _ => return ()
  49         };
  50         match Y {
  51             ::IResult::Done(x, _) => {
  52                 let bytes = b";   ";
  53                 let len = x.len();
  54                 bytes[len];
  55             }
  56             _ => ()
  57         }
  58     }
  59 }