//! Errors in cagra
/// abbrev of Result using the master error enum `Error`
pub type Result<T> = Result;
/// Master error enum of cagra
/// Error that the argument of `UnaryOperator<A>` is invalid
/// Error that the arguments of `BinaryOperator<A>` is invalid
/// Error that the cast of `Value<A>` failed
/// Error that the node type is missing