rust-okx 0.3.0

Async Rust client for the OKX v5 REST API
Documentation 
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use crate::model::RequestParams;

pub(super) fn optional_ccy(ccy: Option<&str>) -> RequestParams {
    match ccy {
        Some(value) => RequestParams::new().param("ccy", value),
        None => RequestParams::new(),
    }
}