error[E0308]: mismatched types --> $DIR/issue-46756-consider-borrowing-cast-or-binexpr.rs:12:42 | LL | light_flows_our_war_of_mocking_words(behold as usize); | ------------------------------------ ^^^^^^^^^^^^^^^ | | | | | expected `&usize`, found `usize` | | help: consider borrowing here: `&(behold as usize)` | arguments to this function are incorrect | note: function defined here --> $DIR/issue-46756-consider-borrowing-cast-or-binexpr.rs:5:4 | LL | fn light_flows_our_war_of_mocking_words(and_yet: &usize) -> usize { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ --------------- error[E0308]: mismatched types --> $DIR/issue-46756-consider-borrowing-cast-or-binexpr.rs:14:42 | LL | light_flows_our_war_of_mocking_words(with_tears + 4); | ------------------------------------ ^^^^^^^^^^^^^^ | | | | | expected `&usize`, found `usize` | | help: consider borrowing here: `&(with_tears + 4)` | arguments to this function are incorrect | note: function defined here --> $DIR/issue-46756-consider-borrowing-cast-or-binexpr.rs:5:4 | LL | fn light_flows_our_war_of_mocking_words(and_yet: &usize) -> usize { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ --------------- error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0308`.