Define MemoryKind for MemoryView (#28)

The absence here was an oversight.

Author: jakobnissen

CHANGELOG.md

@@ -4,6 +4,10 @@ Any new features, or breaking changes, will be written in this file.
 Bugfixes, internal refactors, documentation improvements and style changes will
 not be mentioned here, because they do not impact how the package is to be used.
 
+## 0.3.5
+* Add method `MemoryKind{::Type{<:MemoryView}}`
+* Add package extension for LibDeflate.jl
+
 ## 0.3.4
 * Add new function `unsafe_from_parts` to construct a memory view from a
   `MemoryRef`.

Project.toml

@@ -1,6 +1,6 @@
 name = "MemoryViews"
 uuid = "a791c907-b98b-4e44-8f4d-e4c2362c6b2f"
-version = "0.3.4"
+version = "0.3.5"
 authors = ["Jakob Nybo Nissen <jakobnybonissen@gmail.com>"]
 
 [weakdeps]

src/MemoryViews.jl

@@ -214,6 +214,7 @@ inner(::IsMemory{T}) where {T} = T
 
 MemoryKind(::Type) = NotMemory()
 MemoryKind(::Type{Union{}}) = NotMemory()
+MemoryKind(::Type{T}) where {T <: MemoryView} = IsMemory(T)
 
 include("construction.jl")
 include("basic.jl")

test/runtests.jl

@@ -726,6 +726,9 @@ end
     @test MemoryKind(Memory{Int32}) == IsMemory(MutableMemoryView{Int32})
     @test MemoryKind(typeof(view([1], 1:1))) == IsMemory(MutableMemoryView{Int})
 
+    @test MemoryKind(ImmutableMemoryView{Dict}) == IsMemory(ImmutableMemoryView{Dict})
+    @test MemoryKind(MutableMemoryView{UInt32}) == IsMemory(MutableMemoryView{UInt32})
+
     @test inner(IsMemory(MutableMemoryView{Int32})) == MutableMemoryView{Int32}
     @test inner(IsMemory(ImmutableMemoryView{Tuple{String, Int}})) ==
         ImmutableMemoryView{Tuple{String, Int}}