getargs-derive 0.1.0

Clap-style #[derive] command-line argument parser for no_std and embedded Rust: zero allocation, compile-time help, subcommands. Built on getargs.
Documentation 
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error: `long` cannot be empty
 --> tests/ui/invalid_long.rs:5:18
  |
5 |     #[arg(long = "")]
  |                  ^^

error: `long` must not start with `-`; write `long = "verbose"`
 --> tests/ui/invalid_long.rs:7:18
  |
7 |     #[arg(long = "--verbose")]
  |                  ^^^^^^^^^^^

error: `long` cannot contain whitespace or `=`
 --> tests/ui/invalid_long.rs:9:18
  |
9 |     #[arg(long = "dry run")]
  |                  ^^^^^^^^^

error: `long` cannot contain whitespace or `=`
  --> tests/ui/invalid_long.rs:11:18
   |
11 |     #[arg(long = "key=value")]
   |                  ^^^^^^^^^^^

error: `long` expects a string literal, e.g. `long = "output"`
  --> tests/ui/invalid_long.rs:13:18
   |
13 |     #[arg(long = 'q')]
   |                  ^^^