lc-providers 0.22.4

LLM provider integrations for langchainrust — OpenAI, Anthropic, Ollama, Gemini, etc.
Documentation 
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// lc-providers/src/providers/azure/error.rs
//! Error types for the Azure OpenAI provider.

/// Azure OpenAI error type.
#[derive(Debug)]
#[non_exhaustive]
pub enum AzureOpenAIError {
    /// HTTP request error.
    Http(String),
    /// API error (non-2xx response).
    Api(String),
    /// Response parsing error.
    Parse(String),
    /// The SSE stream ended before a terminal marker (`[DONE]`, or a chunk
    /// carrying `finish_reason`) — the connection dropped mid-generation and
    /// the partial output is truncated (A12, mirrors `OpenAIError`).
    StreamInterrupted(String),
}

impl std::fmt::Display for AzureOpenAIError {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        match self {
            AzureOpenAIError::Http(msg) => write!(f, "Azure OpenAI HTTP error: {}", msg),
            AzureOpenAIError::Api(msg) => write!(f, "Azure OpenAI API error: {}", msg),
            AzureOpenAIError::Parse(msg) => write!(f, "Azure OpenAI parse error: {}", msg),
            AzureOpenAIError::StreamInterrupted(msg) => write!(
                f,
                "Azure OpenAI stream interrupted before terminal event (output truncated): {}",
                msg
            ),
        }
    }
}

impl std::error::Error for AzureOpenAIError {}

impl From<String> for AzureOpenAIError {
    fn from(s: String) -> Self {
        AzureOpenAIError::Api(s)
    }
}