Add UUIDs module

Project.toml

@@ -21,4 +21,5 @@ SharedArrays = "1a1011a3-84de-559e-8e89-a11a2f7dc383"
 SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
 SuiteSparse = "4607b0f0-06f3-5cda-b6b1-a6196a1729e9"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
+UUIDs = "cf7118a7-6976-5b1a-9a39-7adc72f591a4"
 Unicode = "4ec0a83e-493e-50e2-b9ac-8f72acf5a8f5"

README.md

@@ -138,6 +138,9 @@ Currently, the `@compat` macro supports the following syntaxes:
 * `using Compat.LibGit2` is provided on versions older than 0.7, where this library is
   not yet part of the standard library ([#25706]).
 
+* `using Compat.UUIDs` is provided on versions older than 0.7, where this library is
+  not yet part of the standard library ([#25819]).
+
 ## New functions, macros, and methods
 
 * `@views` takes an expression and converts all slices to views ([#20164]), while
@@ -552,4 +555,4 @@ includes this fix. Find the minimum version from there.
 [#25706]: https://github.com/JuliaLang/julia/issues/25706
 [#25780]: https://github.com/JuliaLang/julia/issues/25780
 [#24182]: https://github.com/JuliaLang/julia/issues/24182
-[#24673]: https://github.com/JuliaLang/julia/issues/24673
+[#24673]: https://github.com/JuliaLang/julia/issues/24673

src/Compat.jl

@@ -1629,6 +1629,15 @@ else
     findall(b::OccursIn, a::Number) = a in b.x ? [1] : Vector{Int}()
 end
 
+if VERSION >= v"0.7.0-DEV.3666"
+    import UUIDs
+else
+    @eval module UUIDs
+        import ..Random: uuid1, uuid4, uuid_version, UUID
+        export uuid1, uuid4, uuid_version, UUID
+    end
+end
+
 include("deprecated.jl")
 
 end # module Compat

test/runtests.jl

@@ -1393,4 +1393,19 @@ end
 @test findall([true, false, true]) == [1, 3]
 @test findall(occursin([1, 2]), [1]) == [1]
 
+# 0.7.0-DEV.3666
+module TestUUIDs
+    using Compat
+    using Compat.UUIDs
+    using Compat.Test
+    @test isdefined(@__MODULE__, :uuid1)
+    @test isdefined(@__MODULE__, :uuid4)
+    @test isdefined(@__MODULE__, :uuid_version)
+
+    @test uuid_version(uuid1()) == 1
+    @test uuid_version(uuid4()) == 4
+    @test uuid1() isa UUID
+    @test uuid4() isa UUID
+end
+
 nothing