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: `value_parser` requires a value, e.g. `value_parser = 1..=64`
 --> tests/ui/validation_value_parser.rs:5:17
  |
5 |     #[arg(long, value_parser)]
  |                 ^^^^^^^^^^^^

error: `value_parser` expects a function path or a range, e.g. `value_parser = parse_port` or `value_parser = 1..=64`
 --> tests/ui/validation_value_parser.rs:7:32
  |
7 |     #[arg(long, value_parser = "1..=64")]
  |                                ^^^^^^^^

error: `value_parser` range needs at least one bound, e.g. `value_parser = 1..=64`
 --> tests/ui/validation_value_parser.rs:9:32
  |
9 |     #[arg(long, value_parser = ..)]
  |                                ^^

error: duplicate `value_parser` attribute
  --> tests/ui/validation_value_parser.rs:11:40
   |
11 |     #[arg(long, value_parser = 1..=64, value_parser = 1..=8)]
   |                                        ^^^^^^^^^^^^^^^^^^^^

error: a `value_parser` range requires an integer field type, e.g. `u8`; use a function for other types
  --> tests/ui/validation_value_parser.rs:13:32
   |
13 |     #[arg(long, value_parser = 1..=64)]
   |                                ^^^^^^

error: a `value_parser` range requires an integer field type, e.g. `u8`; use a function for other types
  --> tests/ui/validation_value_parser.rs:15:32
   |
15 |     #[arg(long, value_parser = 0..10)]
   |                                ^^^^^

error: `value_parser` cannot be used on flags because they do not take a value
  --> tests/ui/validation_value_parser.rs:17:32
   |
17 |     #[arg(long, value_parser = 1..=64)]
   |                                ^^^^^^