Method prefix

crates/opencode-permission/src/arity.rs:6–19

(tokens: &[String])

impl BashArity {
    pub fn prefix(tokens: &[String]) -> Vec<String> {
        for len in (1..=tokens.len()).rev() {
            let prefix: String = tokens[..len].join(" ");
            if let Some(&arity) = ARITY.get(prefix.as_str()) {
                return tokens[..arity].to_vec();
            }
        }

        if tokens.is_empty() {
            return vec![];
        }

        tokens[..1].to_vec()
    }
}

lazy_static::lazy_static! {