// run-pass #![feature(inline_const)] #![allow(unused)] // Some type that is not copyable. struct Bar; const fn type_no_copy() -> Option { None } const fn type_copy() -> u32 { 3 } const _: [u32; 2] = [type_copy(); 2]; // This is allowed because all promotion contexts use the explicit rules for promotability when // inside an explicit const context. const _: [Option; 2] = [const { type_no_copy() }; 2]; fn main() {}