<===> options.yml
---
:todo:
- sass/libsass#3044

<===>
================================================================================
<===> e/input.scss
@use "sass:math" as math;
a {b: math.$e}

<===> e/output.css
a {
  b: 2.7182818285;
}

<===>
================================================================================
<===> pi/input.scss
@use "sass:math" as math;
a {b: math.$pi}

<===> pi/output.css
a {
  b: 3.1415926536;
}

<===>
================================================================================
<===> error/assignment/e/input.scss
@use "sass:math" as math;
math.$e: 0;

<===> error/assignment/e/error
Error: Cannot modify built-in variable.
  ,
2 | math.$e: 0;
  | ^^^^^^^^^^
  '
  input.scss 2:1  root stylesheet

<===>
================================================================================
<===> error/assignment/pi/input.scss
@use "sass:math" as math;
math.$pi: 0;

<===> error/assignment/pi/error
Error: Cannot modify built-in variable.
  ,
2 | math.$pi: 0;
  | ^^^^^^^^^^^
  '
  input.scss 2:1  root stylesheet