Type Alias Error 

pub type Error = FinanceError;

Type alias for Error (for consistency with common Rust patterns)

Aliased Type

pub enum Error {
    AuthenticationFailed {
        context: String,
    },
    SymbolNotFound {
        symbol: Option<String>,
        context: String,
    },
    RateLimited {
        retry_after: Option<u64>,
    },
    HttpError(Error),
    JsonParseError(Error),
    ResponseStructureError {
        field: String,
        context: String,
    },
    InvalidParameter {
        param: String,
        reason: String,
    },
    Timeout {
        timeout_ms: u64,
    },
    ServerError {
        status: u16,
        context: String,
    },
    UnexpectedResponse(String),
    InternalError(String),
    ApiError(String),
    RuntimeError(Error),
    IndicatorError(IndicatorError),
    ExternalApiError {
        api: String,
        status: u16,
    },
    MacroDataError {
        provider: String,
        context: String,
    },
    FeedParseError {
        url: String,
        context: String,
    },
}

Variants

AuthenticationFailed

Authentication failed (Yahoo Finance, SEC EDGAR, etc.)

Fields

context: String

Error context

SymbolNotFound

The requested symbol was not found

Fields

symbol: Option<String>

The symbol that was not found

context: String

Additional context

RateLimited

Rate limit exceeded

Fields

retry_after: Option<u64>

Seconds until retry is allowed

HttpError(Error)

HTTP request error

JsonParseError(Error)

Failed to parse JSON response

ResponseStructureError

Response structure error - missing or malformed fields

Fields

field: String

Field name that caused the error

context: String

Error context

InvalidParameter

Invalid parameter provided

Fields

param: String

Parameter name

reason: String

Reason for invalidity

Timeout

Network timeout

Fields

timeout_ms: u64

Timeout duration in milliseconds

ServerError

Server error (5xx status codes)

Fields

status: u16

HTTP status code

context: String

Error context

UnexpectedResponse(String)

Unexpected API response

InternalError(String)

Internal error

ApiError(String)

General API error

RuntimeError(Error)

Tokio runtime error

IndicatorError(IndicatorError)

Indicator calculation error

ExternalApiError

Error from an external (non-Yahoo) data API

Fields

api: String

Name of the external API (e.g., “alternative.me”, “coingecko”)

status: u16

HTTP status code returned

MacroDataError

Error fetching or parsing macro-economic data (FRED, Treasury, BLS)

Fields

provider: String

Provider name (e.g., “FRED”, “US Treasury”)

context: String

Error context

FeedParseError

Error parsing an RSS/Atom feed

Fields

url: String

Feed URL that failed

context: String

Error context