Attributes: function evaluation without interpolation

[phillipp]

Hi,
I've wondered why string interpolation is necessary for setting attributes like this:

%tr{class: "#{my_function(my_data)}"}

I could not find an issue where this is discussed in detail. I'd rather like the following syntax (my_function may be replaced with MyModule.my_function):

%tr{class: my_function(my_data)}

What exactly is the problem with making this possible?

[smpallen99]

Its an issue in the parser and will require some refactoring to support.

On Aug 18, 2016, at 9:34 AM, phillipp [email protected] wrote:

Hi,
I've wondered why string interpolation is necessary for setting attributes like this:

%tr{class: "#{my_function(my_data)}"}
I could not find an issue where this is discussed in detail. I'd rather like the following syntax (my_function may be replaced with MyModule.my_function):

%tr{class: my_function(my_data)}
What exactly is the problem with making this possible?

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[phillipp]

Care to elaborate? Tomorrow I have 10 offline hours in front of me with nothing to do and might want to check this out ;-)

[smpallen99]

Sure, parsing becomes difficult when you have to parse elixir code. For example, %tr{class: my_function(one,two), id: fun} is difficult to parse. Much easier to parse ~r/“.*”/. I took at stab at this a while back but gave up on the full parsing and left it with support with string interpolation.

On Aug 18, 2016, at 5:16 PM, phillipp [email protected] wrote:

Care to elaborate? Tomorrow I have 10 offline hours in front of me with nothing to do and might want to check this out ;-)

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