From eaeebb55e1962aa12f70165d8bd09c2eb823dfca Mon Sep 17 00:00:00 2001 From: John Ginger Date: Sun, 2 Dec 2018 15:40:24 +0000 Subject: Clearer error message for dead assign --- src/librustc/middle/liveness.rs | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'src') diff --git a/src/librustc/middle/liveness.rs b/src/librustc/middle/liveness.rs index 54a0192d2e8..92c4077946f 100644 --- a/src/librustc/middle/liveness.rs +++ b/src/librustc/middle/liveness.rs @@ -1658,10 +1658,10 @@ impl<'a, 'tcx> Liveness<'a, 'tcx> { if let Some(name) = self.should_warn(var) { if is_argument { self.ir.tcx.lint_hir(lint::builtin::UNUSED_ASSIGNMENTS, hir_id, sp, - &format!("value passed to `{}` is never read", name)); + &format!("value passed to `{}` is never read (maybe it is overwritten before being read)", name)); } else { self.ir.tcx.lint_hir(lint::builtin::UNUSED_ASSIGNMENTS, hir_id, sp, - &format!("value assigned to `{}` is never read", name)); + &format!("value assigned to `{}` is never read (maybe it is overwritten before being read)", name)); } } } -- cgit 1.4.1-3-g733a5