Require Julia v0.7.0-beta2 (#395)

* Require Julia v0.7.0-beta2 (Statistics stdlib)

This permits massive code deletion.

* Use the fancy new AppVeyor setup from JuliaCI/AppVeyor.jl

* Fix mapslices deprecations

REQUIRE

@@ -1,4 +1,4 @@
-julia 0.7.0-alpha
+julia 0.7.0-beta2
 DataStructures 0.5.0
 SortingAlgorithms
 Missings

appveyor.yml

@@ -1,9 +1,17 @@
 environment:
   matrix:
-  - JULIA_URL: "https://julialang-s3.julialang.org/bin/winnt/x86/0.7/julia-0.7-latest-win32.exe"
-  - JULIA_URL: "https://julialang-s3.julialang.org/bin/winnt/x64/0.7/julia-0.7-latest-win64.exe"
-  - JULIA_URL: "https://julialangnightlies-s3.julialang.org/bin/winnt/x86/julia-latest-win32.exe"
-  - JULIA_URL: "https://julialangnightlies-s3.julialang.org/bin/winnt/x64/julia-latest-win64.exe"
+  - julia_version: 0.7
+  - julia_version: latest
+
+platform:
+  - x86
+  - x64
+
+## uncomment the following lines to allow failures on nightly julia
+## (tests will run but not make your overall status red)
+#matrix:
+#  allow_failures:
+#  - julia_version: latest
 
 branches:
   only:
@@ -17,24 +25,12 @@ notifications:
     on_build_status_changed: false
 
 install:
-  - ps: "[System.Net.ServicePointManager]::SecurityProtocol = [System.Net.SecurityProtocolType]::Tls12"
-# If there's a newer build queued for the same PR, cancel this one
-  - ps: if ($env:APPVEYOR_PULL_REQUEST_NUMBER -and $env:APPVEYOR_BUILD_NUMBER -ne ((Invoke-RestMethod `
-        https://ci.appveyor.com/api/projects/$env:APPVEYOR_ACCOUNT_NAME/$env:APPVEYOR_PROJECT_SLUG/history?recordsNumber=50).builds | `
-        Where-Object pullRequestId -eq $env:APPVEYOR_PULL_REQUEST_NUMBER)[0].buildNumber) { `
-        throw "There are newer queued builds for this pull request, failing early." }
-# Download most recent Julia Windows binary
-  - ps: (new-object net.webclient).DownloadFile(
-        $env:JULIA_URL,
-        "C:\projects\julia-binary.exe")
-# Run installer silently, output to C:\projects\julia
-  - C:\projects\julia-binary.exe /S /D=C:\projects\julia
+  - ps: iex ((new-object net.webclient).DownloadString('https://raw.githubusercontent.com/JuliaCI/Appveyor.jl/master/bin/install.ps1'))
 
 build_script:
-# Need to convert from shallow to complete for Pkg.clone to work
-  - IF EXIST .git\shallow (git fetch --unshallow)
-  - C:\projects\julia\bin\julia -e "versioninfo();
-      Pkg.clone(pwd(), \"StatsBase\"); Pkg.build(\"StatsBase\")"
+  - echo "%JL_BUILD_SCRIPT%"
+  - julia -e "%JL_BUILD_SCRIPT%"
 
 test_script:
-  - C:\projects\julia\bin\julia -e "Pkg.test(\"StatsBase\")"
+  - echo "%JL_TEST_SCRIPT%"
+  - julia -e "%JL_TEST_SCRIPT%"

src/StatsBase.jl

@@ -8,27 +8,16 @@ module StatsBase
     using SortingAlgorithms
     using Missings
 
-    if VERSION >= v"0.7.0-beta.85"
-        using Statistics
-        import Statistics: mean, mean!, var, varm, varm!, std, stdm, cov, covm,
-                           cor, corm, cov2cor!, unscaled_covzm, quantile, sqrt!,
-                           median, middle
-    else
-        import Base: mean, mean!, var, varm, varm!, std, stdm, cov, covm,
-                     cor, corm, cov2cor!, unscaled_covzm, quantile, sqrt!,
-                     median, middle
-    end
-
-    # Location of the `mean` function, used for calling the function inside of
-    # functions definitions that have `mean` as a keyword argument
-    const MEANHOME = (VERSION >= v"0.7.0-beta.85" ? Statistics : Base)::Module
-
+    using Statistics
     using LinearAlgebra
     using Random
     using Printf
     using SparseArrays
     import Random: rand, rand!
     import LinearAlgebra: BlasReal, BlasFloat
+    import Statistics: mean, mean!, var, varm, varm!, std, stdm, cov, covm,
+                       cor, corm, cov2cor!, unscaled_covzm, quantile, sqrt!,
+                       median, middle
 
     ## tackle compatibility issues
 
@@ -206,18 +195,6 @@ module StatsBase
 
     ConvergenceException
 
-const BASESTATS_IN_STATSBASE = v"0.7.0-DEV.5238" <= VERSION < v"0.7.0-beta.85"
-
-@static if BASESTATS_IN_STATSBASE
-    export cor, cov, std, stdm, var, varm, linreg
-    include("base.jl")
-end
-
-module StatsCompat
-    import ..StatsBase: var, std, varm, cov, cor, MEANHOME
-end
-export StatsCompat
-
     # source files
 
     include("common.jl")