effect-io-ai

Package: effect
Module: Layer

Layer.Error

Extracts the error type (E) from a Layer type.

When to use

Use to derive a layer construction error type for helper types, wrappers, or APIs that preserve a layer failure channel.

See

• Success for extracting the services provided by the same Layer
• Services for extracting the dependency requirements of the same Layer

Signature

type Error<T> = T extends Layer<infer _ROut, infer _E, infer _RIn> ? _E : never

Source

Since v2.0.0