nodedb-query 0.2.1

Shared query evaluation engine for NodeDB — expressions, filters, functions, aggregations, window functions
Documentation 
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// SPDX-License-Identifier: Apache-2.0

//! Type-checking scalar functions.

use nodedb_types::Value;

pub(super) fn try_eval(name: &str, args: &[Value]) -> Option<Value> {
    let v = match name {
        "typeof" | "type_of" => {
            let type_name = match args.first() {
                Some(v) => v.type_name(),
                None => "null",
            };
            Value::String(type_name.to_string())
        }
        _ => return None,
    };
    Some(v)
}