harn-vm 0.10.47

Async bytecode virtual machine for the Harn programming language
Documentation 
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use serde_json::Value as JsonValue;
use time::OffsetDateTime;

pub(super) fn parse_json_i64ish(value: &JsonValue) -> Option<i64> {
    value
        .as_i64()
        .or_else(|| value.as_u64().and_then(|raw| i64::try_from(raw).ok()))
        .or_else(|| value.as_str().and_then(|raw| raw.parse::<i64>().ok()))
}

pub(super) fn json_stringish(raw: &JsonValue, fields: &[&str]) -> Option<String> {
    fields.iter().find_map(|field| {
        let value = raw.get(*field)?;
        value
            .as_str()
            .map(ToString::to_string)
            .or_else(|| parse_json_i64ish(value).map(|number| number.to_string()))
            .or_else(|| value.as_u64().map(|number| number.to_string()))
    })
}

pub(super) fn parse_rfc3339(text: &str) -> Option<OffsetDateTime> {
    OffsetDateTime::parse(text, &time::format_description::well_known::Rfc3339).ok()
}