> ## Documentation Index > Fetch the complete documentation index at: https://dsrs.herumbshandilya.com/llms.txt > Use this file to discover all available pages before exploring further. # dspy_rs::evaluate > Evaluation and metrics for measuring module performance. Generated from rustdoc JSON at `dspy-rs v0.7.3` (commit `b5da857`). Do not edit by hand; regenerate with `python3 docs/scripts/gen_api.py` (see the script header for the rustdoc commands). Item links lead to full signatures and method docs on docs.rs. Evaluation and metrics for measuring module performance. ## Re-exports | Item | Description | | --------------------- | --------------- | | `evaluator::*` | Glob re-export. | | `feedback_helpers::*` | Glob re-export. | ## Modules | Item | Description | | ------------------------------------------------------------------------------------------------- | ----------- | | [`evaluator`](https://docs.rs/dspy-rs/latest/dspy_rs/evaluate/evaluator/index.html) | | | [`feedback_helpers`](https://docs.rs/dspy-rs/latest/dspy_rs/evaluate/feedback_helpers/index.html) | | ## `evaluate::evaluator` ### Re-exports | Item | Description | | ---------------------------------------------------------------------------- | ---------------------------------- | | [`Eval`](https://docs.rs/dspy-rs/latest/dspy_rs/trace/span/struct.Eval.html) | Re-export of `crate::trace::Eval`. | ### Traits | Item | Description | | ------------------------------------------------------------------------------------------------- | --------------------------------------------- | | [`TypedMetric`](https://docs.rs/dspy-rs/latest/dspy_rs/evaluate/evaluator/trait.TypedMetric.html) | How you tell the optimizer what "good" means. | ### Functions | Item | Description | | -------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------- | | [`average_score`](https://docs.rs/dspy-rs/latest/dspy_rs/evaluate/evaluator/fn.average_score.html) | Arithmetic mean of scores from a slice of `Eval`s. | | [`evaluate_trainset_with_concurrency`](https://docs.rs/dspy-rs/latest/dspy_rs/evaluate/evaluator/fn.evaluate_trainset_with_concurrency.html) | `evaluate_trainset` with an explicit concurrency level. | | [`evaluate_trainset`](https://docs.rs/dspy-rs/latest/dspy_rs/evaluate/evaluator/fn.evaluate_trainset.html) | Runs a module on every example in a trainset and scores each with a metric. | ### Type aliases | Item | Description | | ---------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------- | | [`Rollout`](https://docs.rs/dspy-rs/latest/dspy_rs/evaluate/evaluator/type.Rollout.html) | One evaluated rollout: the metric result plus the execution trace that produced it (with `Trace::outcome` filled in). | ### Constants | Item | Description | | ------------------------------------------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------- | | [`DEFAULT_EVAL_CONCURRENCY`](https://docs.rs/dspy-rs/latest/dspy_rs/evaluate/evaluator/constant.DEFAULT_EVAL_CONCURRENCY.html) | Default number of examples evaluated concurrently by `evaluate_trainset`. | ## `evaluate::feedback_helpers` ### Enums | Item | Description | | ------------------------------------------------------------------------------------------------------- | -------------------------------- | | [`CodeStage`](https://docs.rs/dspy-rs/latest/dspy_rs/evaluate/feedback_helpers/enum.CodeStage.html) | Stage in code execution pipeline | | [`StageResult`](https://docs.rs/dspy-rs/latest/dspy_rs/evaluate/feedback_helpers/enum.StageResult.html) | Result of a code stage | ### Functions | Item | Description | | ----------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------ | | [`classification_feedback`](https://docs.rs/dspy-rs/latest/dspy_rs/evaluate/feedback_helpers/fn.classification_feedback.html) | Create feedback for classification tasks | | [`code_pipeline_feedback`](https://docs.rs/dspy-rs/latest/dspy_rs/evaluate/feedback_helpers/fn.code_pipeline_feedback.html) | Create feedback for code generation pipelines | | [`multi_objective_feedback`](https://docs.rs/dspy-rs/latest/dspy_rs/evaluate/feedback_helpers/fn.multi_objective_feedback.html) | Create feedback for multi-objective optimization | | [`retrieval_feedback`](https://docs.rs/dspy-rs/latest/dspy_rs/evaluate/feedback_helpers/fn.retrieval_feedback.html) | Create feedback for document retrieval tasks | | [`string_similarity_feedback`](https://docs.rs/dspy-rs/latest/dspy_rs/evaluate/feedback_helpers/fn.string_similarity_feedback.html) | Create feedback for string similarity tasks |