Array as a member of an array

[rootkea]

Hello!

From https://tera.netlify.app/docs/#literals: "arrays: a comma-separated list of literals and/or idents surrounded by [ and ] (trailing comma allowed)"

Since array is a literal and array is a comma-separated list of literals I was wondering whether it's possible to have array as a member of another array.

This doesn't work:

{% set array = [12, True, 1.7, ["a", 'b', `c`]] %}

But this works:

{% set char_array = ["a", 'b', `c`] %}
{% set array = [12, True, 1.7, char_array] %}

This is inconsistent.

We should either:

1. Allow array literal to be a member of array just like the way above via variable OR
2. Update array description at https://tera.netlify.app/docs/#literals as: "arrays: a comma-separated list of literals (except array) and/or idents surrounded by [ and ] (trailing comma allowed)"

I think 1. makes more sense and maintains consistency.

[Keats]

The v2 parser already handles that correctly so i'll mark 1 as a v2 feature

[rootkea]

Does v2 parser handle this too? continuing the above example:

{{ char_array in array }}                     // currently, this works
{{ ["a", 'b', `c`] in array }}                // currently, this doesn't work
{{ not ('a' in char_array) }}                 // currently, this doesn't work

Thanks!

[rootkea]

Also, from tera documentation for in operator:

While in the left hand side only literals/variables resulting in a number, a string and a boolean are supported.

But as demonstrated in above example, variables resulting in array are also supported in left hand side. Guess we need to update the docs...

[rootkea]

Hi!

Since this is related to parser I'm not opening a fresh issue.

Does v2 parser handle this:

{% set char_array = ["a", 'b', `c`] %}
{{ char_array != char_array }}                               // Currently, this works
{{ ["a", 'b', `c`] == ["a", 'b', `c`] }}                     // This doesn't work

[Keats]

I'm not sure right now but it's a good testcase to add it, {{ char_array != char_array }} should be false and the next line should be true

[rootkea]

First line is indeed false. But unfortunately, Tera throws parsing error on the next line. I hope v2 parser fixes that. :)

[rootkea]

Adding more tests to check with parser v2.

Parentheses with filter:

{{ 1 + ("foo" | length) }}                                        // currently, doesn't work
{{ ("  foo  " | trim) ~ "bar" }}                                  // currently, doesn't work