20 lines
475 B
Rust
20 lines
475 B
Rust
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use thiserror::Error;
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#[derive(Error, Debug)]
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pub enum ParseError {
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#[error("no action given")]
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MissingAction,
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#[error("unknown action: {action}")]
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UnknownAction { action: String },
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#[error("unexpected input: {rest:?}")]
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UnexpectedInput { rest: Vec<String> },
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}
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pub trait CliCommand {
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type ExecErr: From<ParseError>;
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fn parse_str(input: &str, rest: impl Iterator<Item = String>) -> Result<Self, ParseError>
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where
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Self: Sized;
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}
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