v1.4.0 - apollovm: 0.1.37 (C# language, lambdas, package:web, transpile panel)

[gmpassos]

Updates the playground to ApolloVM 0.1.37 and bundles the previously-unreleased 1.3.0 work into a single 1.4.0 release.

apollovm 0.1.37

• C# language: added to the example category selector, the run-language selector, and the "Convert to all languages" transpile targets.
• New examples (all verified to run via the interpreter):
  • C# — Class, C# — Conditional (a > b ? a : b), C# — Exceptions (try/catch/finally)
  • Java11 — Lambdas, Kotlin — Lambdas, Lua — Lambdas — anonymous functions stored in variables and invoked; these now parse in 0.1.37 (previously omitted from the lambdas group).

Folded-in 1.3.0 work (was uncommitted)

• 0.1.36: Python, ternary/conditional, lambda and Dart async/await examples.
• package:web migration: replaced the deprecated dart:html with package:web + dart:js_interop (DOM via document.querySelector, events via addEventListener, innerHTML/textContent/classList).
• Two-selector example picker: a Language selector that filters an Example selector.
• "Wasm" example category: Wasm-compatible snippets (Fibonacci, Factorial, GCD, Power, Sum, Collatz, Prime, class instance method) that auto-enable the Wasm-compiled run mode — verified end-to-end in the browser via the Wasm path.
• "Convert to all languages": one-click transpilation into every other supported language, shown in a tabbed, closable panel.

Verification

• dart format clean; dart analyze --fatal-warnings passes (one info-level unnecessary_import for dart:js_interop, which dom_tools transitively re-exports — kept explicit as the idiomatic choice for package:web).
• webdev/build_runner release build compiles.
• New examples verified via the interpreter; C# category, the new lambdas, and Convert→C# verified end-to-end in a headless browser.

Note: .github/workflows/dart.yml has a now-stale comment attributing the non-fatal-infos analyze to dart:html; the lingering info is now the dart:js_interop import. Left as-is here.

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