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Running FSI prints "module FSI_001" before anything else

See original GitHub issue

Running FSI prints “module FSI_001” before anything else

This looks like a regression:

C:\GitHub\dsyme\fsharp>dotnet artifacts\bin\fsi\Debug\net7.0\fsi.dll

Microsoft (R) F# Interactive version 12.0.5.0 for F# 7.0
Copyright (c) Microsoft Corporation. All Rights Reserved.

For help type #help;;

> module FSI_0001

Issue Analytics

  • State:closed
  • Created a year ago
  • Comments:5 (5 by maintainers)

github_iconTop GitHub Comments

1reaction
dsymecommented, Sep 12, 2022

Given this is a regression and we need a fix in, I guess just filtering on FsiDynamicModulePrefix is ok for now.

1reaction
dsymecommented, Sep 9, 2022

That feels like it is evaluating something before the user even entered anything.

Yes, it evaluates a dummy, empty module to “JIT all the main code” so it’s ready to compile and run user code faster.

Read more comments on GitHub >

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