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argument #1 is not a literal or a local variable
websharperquotation

I am getting the following error:

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argument #1 is not a literal or a local variable

When trying to add client side on a server Content.Page with the client <@ @> quotation notation.

I kind of guess that it comes from the quotation and is due to the limitation of quotation but was wondering if you guys knew somewhere where I could find more information on the restrictions regarding what I can actually put in?

For example, the following code will crash on renderDoc:

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[<JavaScript>]        
module Layout =
    
    type PageLayout =
        { Route: string
          Title: string }

    let render page =
        div [ text page.Title ]

[<JavaScript>]
module Meta =
    open Layout

    type PageMeta = 
        { Title: string }

    let createLayout (meta:PageMeta) =
        { Route = ""; Title = meta.Title }
        

module Server =
    open Layout
    open Meta

    let renderDoc (meta: PageMeta) =
        client <@ createLayout meta |> Layout.render @>

with the following exception:

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Additional information: Wrong format for InlineControl at
C:\Users\hudson.IFBUDS02\Server\var\jobs\websharper.ui.next\workspace\WebSharper.UI.Next\Doc.fs: 331.58-331.79: 
argument #1 is not a literal or a local variable

After making the functions local, it still crashes:

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module Server =
    
    type PageLayout =
        { Route: string
          Title: string }
          
    [<JavaScript>]
    let render page =
        div [ text page.Title ]

    type PageMeta = 
        { Title: string }
        
    [<JavaScript>]
    let createLayout (meta:PageMeta) =
        { Route = ""; Title = meta.Title }

    let renderDoc (meta: PageMeta) =
        client <@ render <| createLayout meta @>
.

Seems like this is working:

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[<JavaScript>]        
module Layout =
    
    type PageLayout =
        { Route: string
          Title: string }

    let render page =
        div [ text page.Title ]

[<JavaScript>]
module Meta =
    open Layout

    type PageMeta = 
        { Title: string }

    let createLayout (meta:PageMeta) =
        { Route = ""; Title = meta.Title }
        
module Server =
    open Layout
    open Meta

    [<JavaScript>]
    let render meta =
        Layout.render <| Meta.createLayout meta

    let renderDoc (meta: PageMeta) =
        client <@ render meta @>
By on 1/4/2017 4:36 PM ()

Yes, the contents of the quotation must be a simple call to a top-level function whose arguments are literals or local variables. It looks like indeed we are missing some documentation about the client function; but for more info you can check the documentation for its WebSharper.Html counterpart ClientSide here.

By on 1/5/2017 6:27 AM ()

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