coinbase-pro-rs 0.1.2

Coinbase pro client for Rust
Documentation 
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use serde::{de, Deserialize, Deserializer};
use std::fmt::Display;
use std::str::FromStr;

pub fn from_string<'de, D, T>(d: D) -> Result<T, D::Error>
where
    D: Deserializer<'de>,
    T: FromStr,
    <T as FromStr>::Err: Display,
{
    let s = String::deserialize(d)?;
    s.parse().map_err(de::Error::custom)
}

pub fn f64_from_string<'de, D>(d: D) -> Result<f64, D::Error>
where
    D: Deserializer<'de>,
{
    from_string(d)
}

//pub fn f64_opt_from_string<'de, D>(d: D) -> Result<Option<f64>, D::Error>
//    where D: Deserializer<'de>
//{
//    from_string(d).map(Some)
//}

pub fn usize_from_string<'de, D>(d: D) -> Result<usize, D::Error>
where
    D: Deserializer<'de>,
{
    from_string(d)
}

pub fn datetime_from_string<'de, D>(d: D) -> Result<super::structs::DateTime, D::Error>
where
    D: Deserializer<'de>,
{
    let s = String::deserialize(d)?;
    (s + "Z").parse().map_err(de::Error::custom)
}