Cannot wait on monitors on this runtime.

[ikeough]

Task.Parallel is not supported on .net wasm, which causes the run button to emit the following exception during the first use. This is documented in this issue against the .net runtime.

Cannot wait on monitors on this runtime.
blazor.webassembly.js:1    at System.Threading.Monitor.ObjWait(Boolean exitContext, Int32 millisecondsTimeout, Object obj)
blazor.webassembly.js:1    at System.Threading.Monitor.Wait(Object obj, Int32 millisecondsTimeout, Boolean exitContext)
blazor.webassembly.js:1    at System.Threading.Monitor.Wait(Object obj, Int32 millisecondsTimeout)
blazor.webassembly.js:1    at System.Threading.ManualResetEventSlim.Wait(Int32 millisecondsTimeout, CancellationToken cancellationToken)
blazor.webassembly.js:1    at System.Threading.Tasks.Task.SpinThenBlockingWait(Int32 millisecondsTimeout, CancellationToken cancellationToken)
blazor.webassembly.js:1    at System.Threading.Tasks.Task.InternalWaitCore(Int32 millisecondsTimeout, CancellationToken cancellationToken)
blazor.webassembly.js:1    at System.Threading.Tasks.Task.InternalWait(Int32 millisecondsTimeout, CancellationToken cancellationToken)
blazor.webassembly.js:1    at System.Threading.Tasks.Task.Wait(Int32 millisecondsTimeout, CancellationToken cancellationToken)
blazor.webassembly.js:1    at System.Threading.Tasks.Task.Wait()
blazor.webassembly.js:1    at System.Threading.Tasks.TaskReplicator.Replica.Wait()
blazor.webassembly.js:1    at System.Threading.Tasks.TaskReplicator.Run[RangeWorker](ReplicatableUserAction`1 action, ParallelOptions options, Boolean stopOnFirstFailure)
blazor.webassembly.js:1    at System.Threading.Tasks.Parallel.ForWorker[Object](Int32 fromInclusive, Int32 toExclusive, ParallelOptions parallelOptions, Action`1 body, Action`2 bodyWithState, Func`4 bodyWithLocal, Func`1 localInit, Action`1 localFinally)
blazor.webassembly.js:1    at System.Threading.Tasks.Parallel.For(Int32 fromInclusive, Int32 toExclusive, ParallelOptions parallelOptions, Action`1 body)
blazor.webassembly.js:1    at Microsoft.CodeAnalysis.CSharp.CSharpCompilation.GetDiagnostics(CompilationStage stage, Boolean includeEarlierStages, DiagnosticBag diagnostics, CancellationToken cancellationToken)
blazor.webassembly.js:1    at Microsoft.CodeAnalysis.CSharp.CSharpCompilation.GetDiagnostics(CompilationStage stage, Boolean includeEarlierStages, CancellationToken cancellationToken)
blazor.webassembly.js:1    at Microsoft.CodeAnalysis.CSharp.CSharpCompilation.GetDiagnostics(CancellationToken cancellationToken)
blazor.webassembly.js:1    at ElementsWasm.Pages.Model.TryCompile(String source, CSharpCompilation& compilation, Assembly& assembly, List`1& errorDiagnostics) in /Users/ikeough/Documents/ElementsWasm/Pages/Model.razor:line 143