error[E0060]: this function takes at least 2 parameters but 0 parameters were supplied --> $DIR/variadic-ffi-3.rs:21:9 | LL | fn foo(f: isize, x: u8, ...); | ----------------------------- defined here ... LL | foo(); //~ ERROR: this function takes at least 2 parameters but 0 parameters were supplied | ^^^^^ expected at least 2 parameters error[E0060]: this function takes at least 2 parameters but 1 parameter was supplied --> $DIR/variadic-ffi-3.rs:22:9 | LL | fn foo(f: isize, x: u8, ...); | ----------------------------- defined here ... LL | foo(1); //~ ERROR: this function takes at least 2 parameters but 1 parameter was supplied | ^^^^^^ expected at least 2 parameters error[E0308]: mismatched types --> $DIR/variadic-ffi-3.rs:24:56 | LL | let x: unsafe extern "C" fn(f: isize, x: u8) = foo; | ^^^ expected non-variadic fn, found variadic function | = note: expected type `unsafe extern "C" fn(isize, u8)` found type `unsafe extern "C" fn(isize, u8, ...) {foo}` error[E0308]: mismatched types --> $DIR/variadic-ffi-3.rs:29:54 | LL | let y: extern "C" fn(f: isize, x: u8, ...) = bar; | ^^^ expected variadic fn, found non-variadic function | = note: expected type `extern "C" fn(isize, u8, ...)` found type `extern "C" fn(isize, u8) {bar}` error[E0617]: can't pass `f32` to variadic function --> $DIR/variadic-ffi-3.rs:34:19 | LL | foo(1, 2, 3f32); //~ ERROR can't pass `f32` to variadic function | ^^^^ help: cast the value to `c_double`: `3f32 as c_double` error[E0617]: can't pass `bool` to variadic function --> $DIR/variadic-ffi-3.rs:35:19 | LL | foo(1, 2, true); //~ ERROR can't pass `bool` to variadic function | ^^^^ help: cast the value to `c_int`: `true as c_int` error[E0617]: can't pass `i8` to variadic function --> $DIR/variadic-ffi-3.rs:36:19 | LL | foo(1, 2, 1i8); //~ ERROR can't pass `i8` to variadic function | ^^^ help: cast the value to `c_int`: `1i8 as c_int` error[E0617]: can't pass `u8` to variadic function --> $DIR/variadic-ffi-3.rs:37:19 | LL | foo(1, 2, 1u8); //~ ERROR can't pass `u8` to variadic function | ^^^ help: cast the value to `c_uint`: `1u8 as c_uint` error[E0617]: can't pass `i16` to variadic function --> $DIR/variadic-ffi-3.rs:38:19 | LL | foo(1, 2, 1i16); //~ ERROR can't pass `i16` to variadic function | ^^^^ help: cast the value to `c_int`: `1i16 as c_int` error[E0617]: can't pass `u16` to variadic function --> $DIR/variadic-ffi-3.rs:39:19 | LL | foo(1, 2, 1u16); //~ ERROR can't pass `u16` to variadic function | ^^^^ help: cast the value to `c_uint`: `1u16 as c_uint` error: aborting due to 10 previous errors Some errors occurred: E0060, E0308, E0617. For more information about an error, try `rustc --explain E0060`.