From b3c926de43cc1e1b72b684e9e031a08d5c9780d4 Mon Sep 17 00:00:00 2001
From: Wiktor Phillips <wsphillips@gmail.com>
Date: Thu, 14 May 2020 15:18:01 +0200
Subject: [PATCH] Addition of ~ bitwise operator (#10)

* Add ~ operator dispatch

* test for ~ operator
---
 src/operators.jl | 6 +++++-
 test/runtests.jl | 1 +
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/operators.jl b/src/operators.jl
index 87f8f13..d3b8245 100644
--- a/src/operators.jl
+++ b/src/operators.jl
@@ -1,4 +1,4 @@
-import Base: +, -, *, &, |, xor, ==
+import Base: +, -, *, &, |, xor, ==, ~
 
 for op in (:+, :-, :&, :|, :xor, :(==))
     @eval begin
@@ -14,4 +14,8 @@ for op in (:+, :-, :&, :|, :xor, :(==))
     end
 end
 
+function ~(a::Cenum{T}) where {T<:Integer}
+    ~(T(a))
+end
+
 Base.convert(::Type{T1}, x::Cenum{T2}) where {T1<:Integer,T2<:Integer} = convert(T1, T2(x))
diff --git a/test/runtests.jl b/test/runtests.jl
index 74e249d..5fe4c34 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -12,6 +12,7 @@ using Test
 @test apple + 1 == 2
 @test kiwi - 1 == 1
 @test kiwi ⊻ kiwi == 0
+@test ~orange == -3
 @test_nowarn print(devnull, Fruit(apple | orange))
 
 @cenum(Boolean::Bool, alternativefact, fact)