error[E0512]: cannot transmute between types of different sizes, or dependently-sized types --> $DIR/transmute-type-parameters.rs:6:18 | LL | let _: i32 = transmute(x); | ^^^^^^^^^ | = note: source type: `T` (this type does not have a fixed size) = note: target type: `i32` (32 bits) error[E0512]: cannot transmute between types of different sizes, or dependently-sized types --> $DIR/transmute-type-parameters.rs:11:18 | LL | let _: i32 = transmute(x); | ^^^^^^^^^ | = note: source type: `(T, i32)` (size can vary because of T) = note: target type: `i32` (32 bits) error[E0512]: cannot transmute between types of different sizes, or dependently-sized types --> $DIR/transmute-type-parameters.rs:16:18 | LL | let _: i32 = transmute(x); | ^^^^^^^^^ | = note: source type: `[T; 10]` (size can vary because of T) = note: target type: `i32` (32 bits) error[E0512]: cannot transmute between types of different sizes, or dependently-sized types --> $DIR/transmute-type-parameters.rs:25:18 | LL | let _: i32 = transmute(x); | ^^^^^^^^^ | = note: source type: `Bad` (size can vary because of T) = note: target type: `i32` (32 bits) error[E0512]: cannot transmute between types of different sizes, or dependently-sized types --> $DIR/transmute-type-parameters.rs:35:18 | LL | let _: i32 = transmute(x); | ^^^^^^^^^ | = note: source type: `Worse` (size can vary because of T) = note: target type: `i32` (32 bits) error[E0512]: cannot transmute between types of different sizes, or dependently-sized types --> $DIR/transmute-type-parameters.rs:40:18 | LL | let _: i32 = transmute(x); | ^^^^^^^^^ | = note: source type: `std::option::Option` (size can vary because of T) = note: target type: `i32` (32 bits) error: aborting due to 6 previous errors For more information about this error, try `rustc --explain E0512`.