Struct PromptPayError 

pub struct PromptPayError { /* private fields */ }

Custom error type for PromptPay QR generation failures.

This error is used throughout the library to indicate issues such as:

• Empty merchant ID
• Invalid payload
• QR code generation failure

Implementations

impl PromptPayError

pub fn new(msg: &str) -> PromptPayError

Creates a new PromptPayError with a custom message.

Arguments

• msg - A descriptive error message

Returns

A new PromptPayError instance

Example

use promptpay_rs::PromptPayError;
let err = PromptPayError::new("Invalid phone number");

Trait Implementations

impl Debug for PromptPayError

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Display for PromptPayError

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the error for display (e.g., in println! or eprintln!).

impl Error for PromptPayError

fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()

Returns a short description of the error (legacy method).

Note: Prefer using Display implementation for user-facing messages.

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type-based access to context intended for error reports.