From 99b168bf9580be20a153c1f32426c36842b2e406 Mon Sep 17 00:00:00 2001
From: "Adam D. Ruppe" <destructionator@gmail.com>
Date: Sun, 27 Aug 2023 10:38:12 -0400
Subject: [PATCH] whitespace fixes

---
 core.d | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/core.d b/core.d
index 02869e2..5d32925 100644
--- a/core.d
+++ b/core.d
@@ -900,11 +900,17 @@ unittest {
 +/
 nothrow @safe @nogc pure
 inout(char)[] stripInternal(return inout(char)[] s) {
+	bool isAllWhitespace = true;
 	foreach(i, char c; s)
 		if(c != ' ' && c != '\t' && c != '\n' && c != '\r') {
 			s = s[i .. $];
+			isAllWhitespace = false;
 			break;
 		}
+
+	if(isAllWhitespace)
+		return s[$..$];
+
 	for(int a = cast(int)(s.length - 1); a > 0; a--) {
 		char c = s[a];
 		if(c != ' ' && c != '\t' && c != '\n' && c != '\r') {
@@ -916,15 +922,19 @@ inout(char)[] stripInternal(return inout(char)[] s) {
 	return s;
 }
 
+/// ditto
 nothrow @safe @nogc pure
 inout(char)[] stripRightInternal(return inout(char)[] s) {
-	for(int a = cast(int)(s.length - 1); a > 0; a--) {
-		char c = s[a];
+	bool isAllWhitespace = true;
+	foreach_reverse(a, c; s) {
 		if(c != ' ' && c != '\t' && c != '\n' && c != '\r') {
 			s = s[0 .. a + 1];
+			isAllWhitespace = false;
 			break;
 		}
 	}
+	if(isAllWhitespace)
+		s = s[0..0];
 
 	return s;