Embedding a Flow in Rust
Hydroflow's surface syntax is typically used within a Rust program. (An interactive client and/or external language bindings are TBD.)
The surface syntax is embedded into Rust via a macro as follows
use hydroflow::hydroflow_syntax;
fn main() {
    let mut flow = hydroflow_syntax! {
        // Hydroflow Surface Syntax goes here
    };
}
The resulting flow object is of type Hydroflow.