Macro specta::fn_datatype

macro_rules! fn_datatype {
    ($function:path) => { ... };
    ($type_map:ident; $function:path) => { ... };
}

Available on crate feature function only.

Returns a FunctionDataType for a given function that has been annotated with specta.

Examples

use specta::*;

#[specta]
fn some_function(name: String, age: i32) -> bool {
    true
}

fn main() {
    let typ = fn_datatype!(some_function);

    assert_eq!(typ.name, "some_function");
    assert_eq!(typ.args.len(), 2);
    assert_eq!(typ.result, Some(DataType::Primitive(PrimitiveType::bool)));
}