 --> [ local path prefix ]/component/struct_alias_format_not_numeric.fpp:6:26
  |
6 | struct S2 { x: T format "{.3f}" }
  |                          ^^^^^ Fixed format replacement cannot be used for type `T`
  |
 ::: [ local path prefix ]/component/struct_alias_format_not_numeric.fpp:6:16
  |
6 | struct S2 { x: T format "{.3f}" }
  |                - type defined here

