nixir

# Test string interpolation

let

  name = "world";

  x = 42;

  bool_val = true;

in {

  # Simple interpolation

  greeting = "Hello ${name}!";

  # Multiple interpolations

  multi = "x is ${x} and name is ${name}";

  # Expression evaluation in interpolation

  computed = "x + 10 = ${x + 10}";

  bool_check = "${bool_val} is true!";

  # Just a string, no interpolation

  plain = "plain text";

}