Backports for 0.18

.github/workflows/CI.yml

@@ -0,0 +1,46 @@
+name: CI
+on:
+  pull_request:
+  push:
+    branches:
+      - release-0.18
+    tags: '*'
+jobs:
+  test:
+    name: Julia ${{ matrix.version }} - ${{ matrix.os }} - ${{ matrix.arch }} - ${{ github.event_name }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        version:
+          - '1.0'
+          - '1'
+#          - 'nightly'
+        os:
+          - ubuntu-latest
+          - macOS-latest
+          - windows-latest
+        arch:
+          - x64
+    steps:
+      - uses: actions/checkout@v2
+      - uses: julia-actions/setup-julia@v1
+        with:
+          version: ${{ matrix.version }}
+          arch: ${{ matrix.arch }}
+      - uses: actions/cache@v1
+        env:
+          cache-name: cache-artifacts
+        with:
+          path: ~/.julia/artifacts
+          key: ${{ runner.os }}-test-${{ env.cache-name }}-${{ hashFiles('**/Project.toml') }}
+          restore-keys: |
+            ${{ runner.os }}-test-${{ env.cache-name }}-
+            ${{ runner.os }}-test-
+            ${{ runner.os }}-
+      - uses: julia-actions/julia-buildpkg@v1
+      - uses: julia-actions/julia-runtest@v1
+      - uses: julia-actions/julia-processcoverage@v1
+      - uses: codecov/codecov-action@v1
+        with:
+          file: lcov.info

Project.toml

@@ -1,15 +1,14 @@
 name = "DataStructures"
 uuid = "864edb3b-99cc-5e75-8d2d-829cb0a9cfe8"
-version = "0.18.8"
-
+version = "0.18.20"
 
 [deps]
 Compat = "34da2185-b29b-5c13-b0c7-acf172513d20"
 InteractiveUtils = "b77e0a4c-d291-57a0-90e8-8db25a27a240"
 OrderedCollections = "bac558e1-5e72-5ebc-8fee-abe8a469f55d"
 
 [compat]
-Compat = "3.0.0"
+Compat = "3,4"
 OrderedCollections = "1.1.0"
 julia = "1"
 

src/DataStructures.jl

@@ -112,4 +112,10 @@ module DataStructures
     include("splay_tree.jl")
 
     include("deprecations.jl")
-end
+
+    @static if VERSION <= v"1.3"
+        _unsetindex!(a, i) = a
+    else
+        _unsetindex! = Base._unsetindex!
+    end
+end

src/accumulator.jl

@@ -55,8 +55,6 @@ Base.setindex!(ct::Accumulator, x, v) = setindex!(ct.map, x, v)
 
 Base.haskey(ct::Accumulator, x) = haskey(ct.map, x)
 
-Base.keys(ct::Accumulator) = keys(ct.map)
-
 Base.values(ct::Accumulator) = values(ct.map)
 
 Base.sum(ct::Accumulator) = sum(values(ct.map))