From da809925773c112f5b26add9e86e9f4837342372 Mon Sep 17 00:00:00 2001
From: hlaaf <hlaaftana@users.noreply.github.com>
Date: Fri, 21 Dec 2018 20:10:07 +0300
Subject: [PATCH] Add system.$(HSlice) and fix #7898 (#8670)

* Add system.$(HSlice) and fix #7898

* Surround system.$(HSlice) with spaces
---
 lib/system.nim | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/lib/system.nim b/lib/system.nim
index 32a24323ea..e998ffee0a 100644
--- a/lib/system.nim
+++ b/lib/system.nim
@@ -2656,7 +2656,7 @@ proc `$`*[T: tuple|object](x: T): string =
   ## of `x`. Example:
   ##
   ## .. code-block:: nim
-  ##   $(23, 45) == "(23, 45)"
+  ##   $(23, 45) == "(Field0: 23, Field1: 45)"
   ##   $() == "()"
   result = "("
   var firstElement = true
@@ -2711,6 +2711,16 @@ proc `$`*[T](x: seq[T]): string =
   ##   $(@[23, 45]) == "@[23, 45]"
   collectionToString(x, "@[", ", ", "]")
 
+proc `$`*[T, U](x: HSlice[T, U]): string =
+  ## generic ``$`` operator for slices that is lifted from the components
+  ## of `x`. Example:
+  ##
+  ## .. code-block:: nim
+  ##  $(1 .. 5) == "1 .. 5"
+  result = $x.a
+  result.add(" .. ")
+  result.add($x.b)
+
 # ----------------- GC interface ---------------------------------------------
 
 when not defined(nimscript) and hasAlloc: