ai 0.6.1

Simple to use LLM library for Rust with streaming, tool calling, OAuth helpers, and a lightweight agent loop
Documentation 
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use crate::types::ProviderEnv;

pub(crate) fn get_provider_env_value(name: &str, env: &ProviderEnv) -> Option<String> {
    env.get(name)
        .filter(|value| !value.is_empty())
        .cloned()
        .or_else(|| std::env::var(name).ok().filter(|value| !value.is_empty()))
}