File: gen_block_is_no_future.stderr

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error[E0277]: `{gen block@$DIR/gen_block_is_no_future.rs:5:5: 5:8}` is not a future
  --> $DIR/gen_block_is_no_future.rs:4:13
   |
LL | fn foo() -> impl std::future::Future {
   |             ^^^^^^^^^^^^^^^^^^^^^^^^ `{gen block@$DIR/gen_block_is_no_future.rs:5:5: 5:8}` is not a future
LL |     gen { yield 42 }
   |     ---------------- return type was inferred to be `{gen block@$DIR/gen_block_is_no_future.rs:5:5: 5:8}` here
   |
   = help: the trait `Future` is not implemented for `{gen block@$DIR/gen_block_is_no_future.rs:5:5: 5:8}`

error: aborting due to 1 previous error

For more information about this error, try `rustc --explain E0277`.