Mark Compat.IteratorSize and -Eltype from #451 for deprecation

Author: martinholters

README.md

@@ -152,9 +152,6 @@ Currently, the `@compat` macro supports the following syntaxes:
 
 * `reprmime(mime, x)` is now `repr(mime, x)` ([#25990]) and `mimewritable` is now `showable` ([#26089]).
 
-* `Base.IteratorSize` and `Base.IteratorEltype` are available as
-  `Compat.IteratorSize` and `Compat.IteratorEltype` ([#25402]).
-
 * `copy!` and `unsafe_copy!` are now `copyto!` and `unsafe_copyto!` ([#24808]).
 
 * `ipermute!` is now `invpermute!` ([#25168]).

src/Compat.jl

@@ -43,6 +43,8 @@ module Unicode
     import Unicode: isassigned, normalize # not exported from Unicode module due to conflicts
 end
 import Base: notnothing
+const IteratorSize = Base.IteratorSize
+const IteratorEltype = Base.IteratorEltype
 
 
 include("compatmacro.jl")
@@ -68,15 +70,6 @@ end
     end
 end
 
-# 0.7.0-DEV.3309
-@static if VERSION < v"0.7.0-DEV.3309"
-    const IteratorSize = Base.iteratorsize
-    const IteratorEltype = Base.iteratoreltype
-else
-    const IteratorSize = Base.IteratorSize
-    const IteratorEltype = Base.IteratorEltype
-end
-
 # 0.7.0-DEV.3173
 @static if !isdefined(Base, :invpermute!)
     const invpermute! = ipermute!

test/old.jl

@@ -187,6 +187,12 @@ end
 @test Compat.notnothing(1) == 1
 @test_throws ArgumentError Compat.notnothing(nothing)
 
+# 0.7.0-DEV.3309
+let v = [1, 2, 3]
+    @test Compat.IteratorSize(v) isa Base.HasShape
+    @test Compat.IteratorEltype(v) == Base.HasEltype()
+end
+
 
 # tests of removed functionality (i.e. justs tests Base)
 

test/runtests.jl

@@ -80,12 +80,6 @@ let A = [1]
     @test x == 1
 end
 
-# 0.7.0-DEV.3309
-let v = [1, 2, 3]
-    @test Compat.IteratorSize(v) isa Base.HasShape
-    @test Compat.IteratorEltype(v) == Base.HasEltype()
-end
-
 # 0.7.0-DEV.3057
 let A = [0, 0, 0], B = [1, 2, 3]
     @test copyto!(A, B) === A == B