Apply EEx bindings partially

[Attila Gulyas]

Hi,

Would there be a need for something like this? Or is there already something like this?

An example:

s = "<%=   a %>, <%= b %> and another <%= c %>"
EEx.partial_eval_string(s)
#> "<%=   a %>, <%= b %> and another <%= c %>"
EEx.partial_eval_string s,[b: "pie", c: "one"]
#> "<%=   a %>, pie and another one"

The basic implementation:

toraritte@21c4c9f

It would be pretty easy to apply it to the `eval_*`s and `function_from_*`s but it is just as easy to write a wrapper around them in a current project.

Thank you!

Attila

[OvermindDL1]

Is there a gain to it beyond just accumulating the arguments then calling 'render' once they are all accumulated?

[José Valim]

If I understand the current implementation correctly, it also only applies to binding like <%= a %>, if it becomes <%= a + b %>, then the partial expansion does not work as expected.

José Valim

www.plataformatec.com.br

Skype: jv.ptec

Founder and Director of R&D

[Gulyás Attila]

OvermindDL1 and José, thanks for your comments! It seems that (a) I  started overcomplicating things  and (b) didn't really think it through.

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