finance-query 2.8.0

A Rust library for querying financial data
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33

//! Macros for generating quote summary accessor methods.
#![allow(missing_docs)]

macro_rules! define_quote_accessors {
    (
        $(
            $(#[$meta:meta])*
            $method_name:ident -> $return_type:ty, $field_name:ident
        ),* $(,)?
    ) => {
        impl Ticker {
            $(
                $(#[$meta])*
                pub async fn $method_name(&self) -> crate::error::Result<Option<$return_type>> {
                    let cache = self.ensure_quote().await?;
                    let value = cache.as_ref().and_then(|e| e.value.$field_name.clone());
                    #[cfg(feature = "translation")]
                    let value = match value {
                        Some(mut v) => {
                            drop(cache);
                            self.translate_response(&mut v).await?;
                            Some(v)
                        }
                        None => None,
                    };
                    Ok(value)
                }
            )*
        }
    };
}

pub(crate) use define_quote_accessors;