Macro alloy_sol_types::define_udt

macro_rules! define_udt {
    (
        $(#[$outer:meta])*
        $name:ident,
        underlying: $underlying:ty,
        type_check: $path:path,
    ) => { ... };
    (
        $(#[$outer:meta])*
        $name:ident,
        underlying: $underlying:ty,
    ) => { ... };
    (
        $(#[$outer:meta])*
        $name:ident,
        type_check: $type_check:path,
    ) => { ... };
    (
        $(#[$outer:meta])*
        $name:ident,
        underlying: $underlying:ty,
    ) => { ... };
    (
        $(#[$outer:meta])*
        $name:ident,
    ) => { ... };
    (
        $(#[$outer:meta])*
        $name:ident
    ) => { ... };
}

Define a Solidity user-defined value type.

Generates a struct of the form $name($underlying).