// check-pass #![feature(inline_const_pat)] #![allow(incomplete_features)] #![deny(dead_code)] const fn one() -> i32 { 1 } const fn two() -> i32 { 2 } const fn three() -> i32 { 3 } fn inline_const() { // rust-lang/rust#78171: dead_code lint triggers even though function is used in const pattern match 1 { const { one() } => {} _ => {} } } fn inline_const_range() { match 1 { 1 ..= const { two() } => {} _ => {} } } struct S; fn const_generic_arg() { match S::<3> { S::<{three()}> => {} } } fn main() { inline_const(); inline_const_range(); const_generic_arg(); }