From 8399e0f78ad7ef81183cb6797fa78f8c8116e502 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Arne=20D=C3=B6ring?= <arne.doering@gmx.net>
Date: Fri, 18 Jan 2019 14:36:38 +0100
Subject: [PATCH] deprecate += and friends for bool and enum (#10336)

* fixes #10257
* add version to deprecation
---
 lib/system.nim | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/lib/system.nim b/lib/system.nim
index b479b920a3..d4a86e53be 100644
--- a/lib/system.nim
+++ b/lib/system.nim
@@ -3886,15 +3886,21 @@ proc gorgeEx*(command: string, input = "", cache = ""): tuple[output: string,
   ## Same as `gorge` but also returns the precious exit code.
   discard
 
-proc `+=`*[T: SomeOrdinal|uint|uint64](x: var T, y: T) {.
+proc `+=`*[T: SomeInteger](x: var T, y: T) {.
   magic: "Inc", noSideEffect.}
-  ## Increments an ordinal
+  ## Increments an integer
 
-proc `-=`*[T: SomeOrdinal|uint|uint64](x: var T, y: T) {.
+proc `+=`*[T: enum|bool](x: var T, y: T) {.
+  magic: "Inc", noSideEffect, deprecated: "use `inc` instead".}
+
+proc `-=`*[T: SomeInteger](x: var T, y: T) {.
   magic: "Dec", noSideEffect.}
   ## Decrements an ordinal
 
-proc `*=`*[T: SomeOrdinal|uint|uint64](x: var T, y: T) {.
+proc `-=`*[T: enum|bool](x: var T, y: T) {.
+  magic: "Dec", noSideEffect, deprecated: "0.20.0, use `dec` instead".}
+
+proc `*=`*[T: SomeInteger](x: var T, y: T) {.
   inline, noSideEffect.} =
   ## Binary `*=` operator for ordinals
   x = x * y