Questions about Schema Validation and Error Messages in Effect Typescript Library

Hi there. I'm having 2 1 burning question about this code:

1. Why

Schema.validate

Schema.validate

is returning an

Either

Either

when the docs states:

declare const validate: <A, I, R>(
  schema: Schema<A, I, R>,
  options?: ParseOptions
) => (u: unknown, overrideOptions?: ParseOptions) => Effect.Effect<A, ParseResult.ParseError, R>

declare const validate: <A, I, R>(
  schema: Schema<A, I, R>,
  options?: ParseOptions
) => (u: unknown, overrideOptions?: ParseOptions) => Effect.Effect<A, ParseResult.ParseError, R>

2. Why the error message says
Expected undefined, actual 1.234
Expected undefined, actual 1.234
when it expects either
undefined
undefined
or
number
number
?

Link to the playground: https://effect.website/play/#b84a9a08ae93

Effect Community•9mo ago

Narley

Questions about Schema Validation and Error Messages in Effect Typescript Library

Hi there. I'm having 2 1 burning question about this code:

1. Why

Schema.validate

Schema.validate

is returning an

Either

Either

when the docs states:

declare const validate: <A, I, R>(
  schema: Schema<A, I, R>,
  options?: ParseOptions
) => (u: unknown, overrideOptions?: ParseOptions) => Effect.Effect<A, ParseResult.ParseError, R>

declare const validate: <A, I, R>(
  schema: Schema<A, I, R>,
  options?: ParseOptions
) => (u: unknown, overrideOptions?: ParseOptions) => Effect.Effect<A, ParseResult.ParseError, R>

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