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use crate::nodes::InnerNode;
use crate::source::Range;
/// Represents empty hash pattern that is used in pattern matching (i.e. `in **nil`)
#[derive(Debug, Clone, PartialEq)]
pub struct MatchNilPattern {
    /// Location of the `**` operator
    ///
    /// ```text
    /// in **nil
    ///    ~~
    /// ```
    pub operator_l: Range,
    /// Location of the name
    ///
    /// ```text
    /// in **nil
    ///      ~~~
    /// ```
    pub name_l: Range,
    /// Location of the full expression
    ///
    /// ```text
    /// in **nil
    ///    ~~~~~
    /// ```
    pub expression_l: Range,
}


impl InnerNode for MatchNilPattern {
    fn expression(&self) -> &Range {
        &self.expression_l
    }

    fn inspected_children(&self, _indent: usize) -> Vec<String> {
        vec![]
    }

    fn str_type(&self) -> &'static str {
        "match_nil_pattern"
    }

    fn print_with_locs(&self) {
        println!("{}", self.inspect(0));
        self.expression_l.print("expression");
        self.name_l.print("name");
        self.operator_l.print("operator");
    }
}