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use crate::common::data::Data;
use crate::core::extract::binop;

// TODO: implement equality rather than just deriving PartialEq on Data.

// Rust hit it right on the nose with the difference between equality and partial equality
// TODO: equality vs partial equality in passerine?

/// Returns `true` if the `Data` are equal, false otherwise.
pub fn equal(data: Data) -> Result<Data, String> {
    let (left, right) = binop(data);
    return Ok(Data::Boolean(left == right));
}