error[E0308]: mismatched types --> tests/ui-nightly/transmute-ref-dst-not-a-reference.rs:17:36 | 17 | const DST_NOT_A_REFERENCE: usize = transmute_ref!(&0u8); | ^^^^^^^^^^^^^^^^^^^^ expected `usize`, found `&_` | = note: expected type `usize` found reference `&_` = note: this error originates in the macro `transmute_ref` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0308]: mismatched types --> tests/ui-nightly/transmute-ref-dst-not-a-reference.rs:17:36 | 17 | const DST_NOT_A_REFERENCE: usize = transmute_ref!(&0u8); | ^^^^^^^^^^^^^^^^^^^^ expected `usize`, found `&_` | = note: expected type `usize` found reference `&_` = note: this error originates in the macro `transmute_ref` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0308]: mismatched types --> tests/ui-nightly/transmute-ref-dst-not-a-reference.rs:17:36 | 17 | const DST_NOT_A_REFERENCE: usize = transmute_ref!(&0u8); | ^^^^^^^^^^^^^^^^^^^^ expected `usize`, found `&_` | = note: expected type `usize` found reference `&_` = note: this error originates in the macro `transmute_ref` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0308]: mismatched types --> tests/ui-nightly/transmute-ref-dst-not-a-reference.rs:17:36 | 17 | const DST_NOT_A_REFERENCE: usize = transmute_ref!(&0u8); | ^^^^^^^^^^^^^^^^^^^^ expected `usize`, found `&_` | = note: expected type `usize` found reference `&_` = note: this error originates in the macro `transmute_ref` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0308]: mismatched types --> tests/ui-nightly/transmute-ref-dst-not-a-reference.rs:17:36 | 17 | const DST_NOT_A_REFERENCE: usize = transmute_ref!(&0u8); | ^^^^^^^^^^^^^^^^^^^^ | | | expected `usize`, found `&_` | arguments to this function are incorrect | = note: expected type `usize` found reference `&_` help: the return type of this call is `&_` due to the type of the argument passed --> tests/ui-nightly/transmute-ref-dst-not-a-reference.rs:17:36 | 17 | const DST_NOT_A_REFERENCE: usize = transmute_ref!(&0u8); | ^^^^^^^^^^^^^^^^^^^^ this argument influences the return type of `$crate` note: function defined here --> src/util/macro_util.rs | | pub const fn must_use(t: T) -> T { | ^^^^^^^^ = note: this error originates in the macro `transmute_ref` (in Nightly builds, run with -Z macro-backtrace for more info)