1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
#![deny(unused)] fn foo(xyza: &str) { //~^ ERROR unused variable: `xyza` let _ = "{xyza}"; } fn foo3(xyza: &str) { //~^ ERROR unused variable: `xyza` let _ = "aaa{xyza}bbb"; } fn main() { foo("x"); foo3("xx"); }