// run-pass #![allow(dead_code)] #![allow(unused_variables)] // Test use of const fn from another crate without a feature gate. // aux-build:const_fn_lib.rs extern crate const_fn_lib; use const_fn_lib::foo; static FOO: usize = foo(); const BAR: usize = foo(); macro_rules! constant { ($n:ident: $t:ty = $v:expr) => { const $n: $t = $v; } } constant! { BAZ: usize = foo() } fn main() { let x: [usize; foo()] = [42; foo()]; }