Crate pleme_error 

pleme-error

Unified error handling library for Pleme platform services.

Philosophy

This library implements Railway-Oriented Programming (Scott Wlaschin) principles:

• Errors are first-class citizens
• Railway tracks: success path vs error path
• Composable error handling

Usage

use pleme_error::{ServiceError, Result};

fn get_user(id: &str) -> Result<User> {
    let user = db.find(id)
        .map_err(|e| ServiceError::database("User not found", e))?;
    Ok(user)
}

Features

• context - Error context and chaining with anyhow
• graphql - GraphQL error conversion for async-graphql
• http-errors - HTTP status code conversion for Axum
• logging - Structured error logging with tracing
• database - Database error conversions (sqlx, Redis)
• web - Full web stack (graphql + http-errors + logging)
• full - All features enabled

Re-exports

pub use field_validator::FieldValidator;

pub use field_validator::validation_errors_from_fields;

pub use field_validator::validation_from_fields;

Modules

field_validator

Multi-field validation error collection and aggregation

Enums

ServiceError

Unified error type for Pleme services

Type Aliases

Result

Result type alias for Railway-Oriented Programming