shacl_validation/constraints/
constraint_error.rsuse thiserror::Error;
#[derive(Error, Debug)]
pub enum ConstraintError {
#[error("Constraint not yet implemented: {}", ._0)]
NotImplemented(String),
#[error("Query error: {}", ._0)]
Query(String),
#[error("Expected IRI but found {term}")]
ExpectedIri { term: String },
}