Enable IDE0300/IDE0301/IDE0302 as errors and use collection expressions#119
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jonathanpeppers merged 1 commit intoMay 5, 2026
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- Add .editorconfig with IDE0300 (array) and IDE0302 (stackalloc) as errors - Enable EnforceCodeStyleInBuild in Directory.Build.props - Convert all new[] and new T[] initializers to collection expressions - Update README and sample to use collection expression syntax Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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Pull request overview
This PR enforces C# collection expression usage across the repo by turning IDE0300/IDE0301/IDE0302 into build errors (via .editorconfig + EnforceCodeStyleInBuild) and updates several code paths and docs to use [...] instead of array initializers.
Changes:
- Add
.editorconfigand enableEnforceCodeStyleInBuildso collection-expression IDE rules are enforced during CI/build. - Update generator output and several code locations to use collection expressions (
[...]) instead ofnew[] { ... }/new int[] { ... }. - Refresh sample and README snippets to match the enforced style.
Reviewed changes
Copilot reviewed 7 out of 7 changed files in this pull request and generated 2 comments.
Show a summary per file
| File | Description |
|---|---|
.editorconfig |
Enables IDE0300/IDE0301/IDE0302 as errors and attempts to analyze generated code. |
Directory.Build.props |
Turns on EnforceCodeStyleInBuild so IDE rules run during dotnet build/CI. |
SortingNetworks.Generators/ScalarEmitter.cs |
Updates generated network array emission to use collection expressions. |
SortingNetworks.Generators/NetworkDatabase.cs |
Converts most stored network/layer arrays to collection expressions. |
SortingNetworks.Tests/SourceGeneratorDriver.cs |
Converts small single-item arrays to collection expressions in test helper code. |
samples/SortingNetworks.Sample/Program.cs |
Updates sample array initialization to collection expression syntax. |
README.md |
Updates usage examples to collection expression syntax. |
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Summary
Enforce collection expression usage repo-wide via
.editorconfigandEnforceCodeStyleInBuild.Changes
.editorconfig— New file with IDE0300 (array), IDE0301 (empty), IDE0302 (stackalloc) as errors, plusgenerated_code = analyzedDirectory.Build.props— AddedEnforceCodeStyleInBuildso IDE rules fire duringdotnet build/ CIScalarEmitter.cs— Updated generated code output to emit[...]instead ofnew int[] { ... }NetworkDatabase.cs— Converted allnew[] { ... }→[...]SourceGeneratorDriver.cs— Convertednew[] { ... }→[...]samples/Program.cs— Convertednew int[] { ... }→[...]README.md— Updated examples to use collection expression syntax