/*! * Try to double-check that static fns have the right size (with or * without dummy env ptr, as appropriate) by iterating a size-2 array. * If the static size differs from the runtime size, the second element * should be read as a null or otherwise wrong pointer and crash. */ fn f() { } static mut CLOSURES: &'static mut [fn()] = &mut [f as fn(), f as fn()]; pub fn main() { unsafe { for closure in &mut *CLOSURES { (*closure)() } } }