serde_string_enum 0.2.1

Procedural macros for serde serialization and deserialization of string-encoded enums.
Documentation 
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error: "string" attribute must be a string literal
 --> tests/ui/non_string_literal.rs:6:10
  |
6 | #[derive(SerializeLabeledStringEnum, DeserializeLabeledStringEnum)]
  |          ^^^^^^^^^^^^^^^^^^^^^^^^^^
  |
  = note: this error originates in the derive macro `SerializeLabeledStringEnum` (in Nightly builds, run with -Z macro-backtrace for more info)

error: "string" attribute must be a string literal
 --> tests/ui/non_string_literal.rs:6:38
  |
6 | #[derive(SerializeLabeledStringEnum, DeserializeLabeledStringEnum)]
  |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  |
  = note: this error originates in the derive macro `DeserializeLabeledStringEnum` (in Nightly builds, run with -Z macro-backtrace for more info)

error: unexpected expression: `Fire`
  --> tests/ui/non_string_literal.rs:10:16
   |
10 |     #[string = Fire]
   |                ^^^^