RUNTIME ERROR: foobar
error.inside_equals_array.jsonnet:18:18-32 thunk <array_element>
std.jsonnet:<stdlib_position_redacted> thunk <b>
std.jsonnet:<stdlib_position_redacted> function <anonymous>
std.jsonnet:<stdlib_position_redacted> function <aux>
std.jsonnet:<stdlib_position_redacted> function <anonymous>
std.jsonnet:<stdlib_position_redacted>