Re: [Freemarker-devel] Ideal tag syntax; what's your take on it?

Daniel Dekany wrote:
>>>   
>>>       
>> <img src="${createLinkTo dir:'images', file:'logo.jpg'}" />
>>
>> <img src="${createLinkTo file:'images/logo.jpg'}" /> (it's not a syntax problem)
>>
>>
>> ?
>>     
>
> You mean parenthesisless calls? Those can look cute, but they have a
> great potential to cause headaches for the language designer (or for
> the user). Like, this:
>
>   ${foo -1}
>
> Does it mean `${foo(-1)}` or `${foo - 1}`? Or even is `${foo}` a
> method call or just printing the value of foo? (Typical quick answer:
> Let's check the runtime type of `foo`, and if it's a callable...
>   

I agree. It should be unambiguous.

${foo: 1} is an option for a method call, but this can clash with a map 
literal(?)


${foo} printing value
${foo:} method call?
${foo - 1} = foo - 1
${foo: -1} method call

But

${foo: [a: 12, b: 3]} // [a: 12, b: 3] is a map literal

${foo: param1: 12, param2: 13}

Is 'param1: 12' a function call or a named arg?



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