Method root_field_name

assert-struct-macros/src/pattern/field.rs:215–229

Get the root field name from this operation For NamedField/UnnamedField, returns that name For Chained, recursively finds the first field access (skipping Deref operations)

(&self)

    /// For NamedField/UnnamedField, returns that name
    /// For Chained, recursively finds the first field access (skipping Deref operations)
    pub(crate) fn root_field_name(&self) -> FieldName {
        match self {
            FieldOperation::NamedField { name, .. } => FieldName::Ident(name.clone()),
            FieldOperation::UnnamedField { index, .. } => FieldName::Index(*index),
            FieldOperation::Chained { operations, .. } => {
                // Find the first non-Deref operation and get its root field name
                operations
                    .iter()
                    .find(|op| !matches!(op, FieldOperation::Deref { .. }))
                    .expect("Chained operation must have at least one non-Deref operation")
                    .root_field_name()
            }
            _ => panic!("Cannot extract root field name from {:?}", self),
        }
    }

    /// Get operations after the root field access (tail operations)
    /// For NamedField/UnnamedField alone, returns None (no additional operations)