Fantomas adds space before colon when SpaceBeforeColon is false

[auduchinok]

Issue created from fantomas-online

Code

type T() =
    member x.P: int =
        let i: int = 1
        1

Result

type T() =
    member x.P : int =
        let i : int = 1
        1

Problem description

Please describe here the Fantomas problem you encountered.
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Extra information

• The formatted result breaks by code.
• The formatted result gives compiler warnings.
• I or my company would be willing to help fix this.

Options

Fantomas Master at 06/09/2021 15:42:35 - a79ebea

Default Fantomas configuration

_{Did you know that you can ignore files when formatting from fantomas-tool or the FAKE targets by using a .fantomasignore file?}

[realvictorprm]

Just ran into this one too, good to see I'm not mistaken 😅

[nojaf]

Hello, this is actually by design and was introduced in #1420.
I would accept a PR to update the docs on this.
Otherwise, this can be closed.

[auduchinok]

It wasn't like this in the code style previously, I believe we should discuss/fix it there first.

[auduchinok]

@nojaf The code style has been fixed, see dotnet/docs#24643.