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access-configuration-from-the-context.mdc
access-environment-variables.mdc
accessing-the-current-time-with-clock.mdc
accumulate-multiple-errors-with-either.mdc
add-caching-by-wrapping-a-layer.mdc
add-custom-metrics-to-your-application.mdc
add-rate-limiting-to-apis.mdc
add-timeouts-to-http-requests.mdc
automatically-retry-failed-operations.mdc
avoid-long-chains-of-andthen-use-generators-instead.mdc
beyond-the-date-type---real-world-dates-times-and-timezones.mdc
build-a-basic-http-server.mdc
cache-http-responses.mdc
chaining-computations-with-flatmap.mdc
checking-option-and-either-cases.mdc
collect-all-results-into-a-list.mdc
combining-values-with-zip.mdc
comparing-data-by-value-with-datastruct.mdc
comparing-data-by-value-with-structural-equality.mdc
compose-api-middleware.mdc
compose-resource-lifecycles-with-layermerge.mdc
concurrency-pattern-1-coordinate-async-operations-with-deferred.mdc
concurrency-pattern-2-rate-limit-concurrent-access-with-semaphore.mdc
concurrency-pattern-3-coordinate-multiple-fibers-with-latch.mdc
concurrency-pattern-4-distribute-work-with-queue.mdc
concurrency-pattern-5-broadcast-events-with-pubsub.mdc
concurrency-pattern-6-race-and-timeout-competing-effects.mdc
conditional-branching-with-if-when-and-cond.mdc
conditionally-branching-workflows.mdc
configure-cors-for-apis.mdc
configure-linting-for-effect.mdc
control-flow-with-conditional-combinators.mdc
control-repetition-with-schedule.mdc
converting-from-nullable-option-or-either.mdc
create-a-basic-http-server.mdc
create-a-managed-runtime-for-scoped-resources.mdc
create-a-reusable-runtime-from-layers.mdc
create-a-service-layer-from-a-managed-resource.mdc
create-a-stream-from-a-list.mdc
create-a-testable-http-client-service.mdc
create-observability-dashboards.mdc
create-pre-resolved-effects-with-succeed-and-fail.mdc
create-type-safe-errors.mdc
creating-from-collections.mdc
creating-from-synchronous-and-callback-code.mdc
debug-effect-programs.mdc
decouple-fibers-with-queues-and-pubsub.mdc
define-a-type-safe-configuration-schema.mdc
define-contracts-upfront-with-schema.mdc
define-type-safe-errors-with-datataggederror.mdc
distinguish-not-found-from-errors.mdc
effectful-pattern-matching-with-matcheffect.mdc
error-handling-pattern-1-accumulating-multiple-errors.mdc
error-handling-pattern-2-error-propagation-and-chains.mdc
error-handling-pattern-3-custom-error-strategies.mdc
execute-asynchronous-effects-with-effectrunpromise.mdc
execute-long-running-apps-with-effectrunfork.mdc
execute-synchronous-effects-with-effectrunsync.mdc
export-metrics-to-prometheus.mdc
extract-path-parameters.mdc
fan-out-to-multiple-consumers.mdc
filtering-results-with-filter.mdc
generate-openapi-documentation.mdc
handle-a-get-request.mdc
handle-api-errors.mdc
handle-errors-with-catchtag-catchtags-and-catchall.mdc
handle-flaky-operations-with-retries-and-timeouts.mdc
handle-missing-values-with-option.mdc
handle-rate-limiting-responses.mdc
handle-resource-timeouts.mdc
handle-unexpected-errors-by-inspecting-the-cause.mdc
handle-your-first-error-with-effectfail-and-catchall.mdc
handling-errors-with-catchall-orelse-and-match.mdc
handling-specific-errors-with-catchtag-and-catchtags.mdc
hello-world-your-first-effect.mdc
implement-api-authentication.mdc
implement-backpressure-in-pipelines.mdc
implement-dead-letter-queues.mdc
implement-distributed-tracing.mdc
implement-graceful-shutdown-for-your-application.mdc
instrument-and-observe-function-calls-with-effectfn.mdc
integrate-effect-tracing-with-opentelemetry.mdc
leverage-effects-built-in-structured-logging.mdc
lifting-errors-and-absence-with-fail-none-and-left.mdc
lifting-values-with-succeed-some-and-right.mdc
log-http-requests-and-responses.mdc
make-an-outgoing-http-client-request.mdc
manage-hierarchical-resources.mdc
manage-resource-lifecycles-with-scope.mdc
manage-resources-safely-in-a-pipeline.mdc
manage-shared-state-safely-with-ref.mdc
manually-manage-lifecycles-with-scope.mdc
mapping-and-chaining-over-collections-with-foreach-and-all.mdc
mapping-errors-to-fit-your-domain.mdc
matching-on-success-and-failure-with-match.mdc
matching-tagged-unions-with-matchtag-and-matchtags.mdc
merge-multiple-streams.mdc
mocking-dependencies-in-tests.mdc
model-dependencies-as-services.mdc
model-optional-values-safely-with-option.mdc
model-validated-domain-types-with-brand.mdc
modeling-effect-results-with-exit.mdc
modeling-tagged-unions-with-datacase.mdc
modeling-validated-domain-types-with-brand.mdc
optional-pattern-1-handling-none-and-some-values.mdc
optional-pattern-2-optional-chaining-and-composition.mdc
organize-layers-into-composable-modules.mdc
parse-and-validate-data-with-schemadecode.mdc
parse-json-responses-safely.mdc
pattern-match-on-option-and-either.mdc
platform-pattern-1-execute-shell-commands.mdc
platform-pattern-2-filesystem-operations.mdc
platform-pattern-3-persistent-key-value-storage.mdc
platform-pattern-4-interactive-terminal-io.mdc
platform-pattern-5-cross-platform-path-manipulation.mdc
platform-pattern-6-advanced-filesystem-operations.mdc
poll-for-status-until-a-task-completes.mdc
pool-resources-for-reuse.mdc
process-a-collection-in-parallel-with-effectforeach.mdc
process-a-large-file-with-constant-memory.mdc
process-collections-of-data-asynchronously.mdc
process-items-concurrently.mdc
process-items-in-batches.mdc
process-streaming-data-with-stream.mdc
profile-effect-applications.mdc
property-based-testing-with-effect.mdc
provide-configuration-to-your-app-via-a-layer.mdc
provide-dependencies-to-routes.mdc
race-concurrent-effects-for-the-fastest-result.mdc
race-effects-and-handle-timeouts.mdc
read-effect-type-errors.mdc
redact-and-handle-sensitive-data.mdc
representing-time-spans-with-duration.mdc
retry-a-failed-operation-with-effectretry.mdc
retry-failed-operations.mdc
retry-http-requests-with-backoff.mdc
retry-operations-based-on-specific-errors.mdc
run-a-pipeline-for-its-side-effects.mdc
run-background-tasks-with-effectfork.mdc
run-independent-effects-in-parallel-with-effectall.mdc
run-multiple-effects-in-parallel-with-effectall.mdc
running-and-collecting-stream-results.mdc
safely-bracket-resource-usage-with-acquirerelease.mdc
scheduling-pattern-1-repeat-an-effect-on-a-fixed-interval.mdc
scheduling-pattern-2-implement-exponential-backoff-for-retries.mdc
scheduling-pattern-3-schedule-tasks-with-cron-expressions.mdc
scheduling-pattern-4-debounce-and-throttle-execution.mdc
scheduling-pattern-5-advanced-retry-chains-and-circuit-breakers.mdc
send-a-json-response.mdc
sequencing-with-andthen-tap-and-flatten.mdc
set-up-a-new-effect-project.mdc
set-up-alerting.mdc
set-up-cicd-for-effect-projects.mdc
set-up-your-effect-development-environment.mdc
sink-pattern-1-batch-insert-stream-records-into-database.mdc
sink-pattern-2-write-stream-events-to-event-log.mdc
sink-pattern-3-write-stream-lines-to-file.mdc
sink-pattern-4-send-stream-records-to-message-queue.mdc
sink-pattern-5-fall-back-to-alternative-sink-on-failure.mdc
sink-pattern-6-retry-failed-stream-operations.mdc
solve-promise-problems-with-effect.mdc
state-management-pattern-1-synchronized-reference-with-synchronizedref.mdc
state-management-pattern-2-observable-state-with-subscriptionref.mdc
stream-pattern-1-transform-streams-with-map-and-filter.mdc
stream-pattern-2-merge-and-combine-multiple-streams.mdc
stream-pattern-3-control-backpressure-in-streams.mdc
stream-pattern-4-stateful-operations-with-scan-and-fold.mdc
stream-pattern-5-grouping-and-windowing-streams.mdc
stream-pattern-6-resource-management-in-streams.mdc
stream-pattern-7-error-handling-in-streams.mdc
stream-pattern-8-advanced-stream-transformations.mdc
stream-vs-effect---when-to-use-which.mdc
supercharge-your-editor-with-the-effect-lsp.mdc
take-and-drop-stream-elements.mdc
teach-your-ai-agents-effect-with-the-mcp-server.mdc
test-concurrent-code.mdc
test-effects-with-services.mdc
test-streaming-effects.mdc
trace-operations-across-services-with-spans.mdc
transform-data-during-validation-with-schema.mdc
transform-effect-values-with-map-and-flatmap.mdc
transform-values-with-effectmap.mdc
transforming-values-with-map.mdc
turn-a-paginated-api-into-a-single-stream.mdc
type-classes-for-equality-ordering-and-hashing-with-dataclass.mdc
understand-fibers-as-lightweight-threads.mdc
understand-layers-for-dependency-injection.mdc
understand-that-effects-are-lazy-blueprints.mdc
understand-the-three-effect-channels-a-e-r.mdc
understanding-fibers.mdc
use-chunk-for-high-performance-collections.mdc
use-effect-devtools.mdc
use-effectgen-for-business-logic.mdc
use-pipe-for-composition.mdc
use-the-auto-generated-default-layer-in-tests.mdc
validate-request-body.mdc
validating-and-parsing-branded-types.mdc
why-effect-comparing-effect-to-promise.mdc
work-with-arbitrary-precision-numbers-using-bigdecimal.mdc
work-with-dates-and-times-using-datetime.mdc
work-with-immutable-sets-using-hashset.mdc
working-with-immutable-arrays-using-dataarray.mdc
working-with-tuples-using-datatuple.mdc
wrap-asynchronous-computations-with-trypromise.mdc
wrap-synchronous-computations-with-sync-and-try.mdc
wrapping-synchronous-and-asynchronous-computations.mdc
write-sequential-code-with-effectgen.mdc
write-tests-that-adapt-to-application-code.mdc
your-first-domain-model.mdc
your-first-effect-test.mdc
your-first-error-handler.mdc
your-first-http-request.mdc
your-first-logs.mdc
your-first-parallel-operation.mdc
your-first-platform-operation.mdc
your-first-schedule.mdc
your-first-stream.mdc