Macro jlrs::named_tuple [−][src]
macro_rules! named_tuple { ($frame:expr, $name:expr => $value:expr) => { ... }; ($frame:expr, $name:expr => $value:expr, $($rest:tt)+) => { ... }; ($frame:expr, $names:expr, $values:expr, $name:expr => $value:expr, $($rest:tt)+) => { ... }; ($frame:expr, $names:expr, $values:expr, $name:expr => $value:expr) => { ... }; }
Create a new named tuple. You will need a named tuple to call functions with keyword arguments.
Example:
// Three slots; two for the inputs and one for the output. julia.scope_with_slots(3, |global, frame| { // Create the two arguments, each value requires one slot let i = Value::new(&mut *frame, 2u64)?; let j = Value::new(&mut *frame, 1u32)?; let _nt = named_tuple!(&mut *frame, "i" => i, "j" => j)?; Ok(()) }).unwrap();