From 4e78547e6f65e2b5bdbdd46592f6882d6cd33628 Mon Sep 17 00:00:00 2001
From: Michael Wright <mikerite@lavabit.com>
Date: Thu, 31 Oct 2019 09:13:08 +0200
Subject: [PATCH] `DecimalLiteralRepresentation` simplification

Remove recalculation of literal value.
---
 clippy_lints/src/literal_representation.rs | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/clippy_lints/src/literal_representation.rs b/clippy_lints/src/literal_representation.rs
index badd2237073c..09ef000994f2 100644
--- a/clippy_lints/src/literal_representation.rs
+++ b/clippy_lints/src/literal_representation.rs
@@ -509,17 +509,12 @@ impl DecimalLiteralRepresentation {
     fn check_lit(self, cx: &EarlyContext<'_>, lit: &Lit) {
         // Lint integral literals.
         if_chain! {
-            if let LitKind::Int(..) = lit.kind;
+            if let LitKind::Int(val, _) = lit.kind;
             if let Some(src) = snippet_opt(cx, lit.span);
             if let Some(firstch) = src.chars().next();
             if char::to_digit(firstch, 10).is_some();
             let digit_info = DigitInfo::new(&src, false);
             if digit_info.radix == Radix::Decimal;
-            if let Ok(val) = digit_info.digits
-                .chars()
-                .filter(|&c| c != '_')
-                .collect::<String>()
-                .parse::<u128>();
             if val >= u128::from(self.threshold);
             then {
                 let hex = format!("{:#X}", val);