noson 0.1.0

Generate random JSON values from a JSON Schema
Documentation 
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use thiserror::Error;

/// Errors that can occur during JSON value generation.
#[derive(Debug, Error)]
pub enum Error {
    /// The schema specifies a `type` value that this library does not handle.
    #[error("unsupported type: {type_name}")]
    UnsupportedType { type_name: String },

    /// The schema is structurally invalid (e.g. a non-object, non-boolean
    /// value, an empty `enum` array, or a `false` boolean schema).
    #[error("invalid schema: {message}")]
    InvalidSchema { message: String },

    /// Recursive generation exceeded the maximum nesting depth (default 16).
    #[error("maximum depth exceeded")]
    MaxDepthExceeded,

    /// A `$ref` pointer could not be resolved against the root schema.
    /// This includes references to missing definitions and external URIs.
    #[error("$ref not found: {reference}")]
    RefNotFound { reference: String },

    /// An `allOf` composition could not be merged (e.g. conflicting `type`
    /// values or a `false` sub-schema).
    #[error("allOf failed: {message}")]
    AllOfFailed { message: String },

    /// Numeric or length constraints are impossible to satisfy
    /// (e.g. `minLength` > `maxLength`).
    #[error("conflicting constraints: {message}")]
    ConflictingConstraints { message: String },
}