apiel 0.3.0

A subset of the APL programming language implemented in Rust. Exports a macro for evaluating APL expressions from Rust code, providing a way to solve some problems in a very concise manner.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23

#[macro_export]
macro_rules! apl {
    // Plain expression
    ($expr:expr) => {{ $crate::parse::parse_and_evaluate($expr) }};
    // Expression with shared environment
    ($expr:expr, $env:expr) => {{ $crate::parse::parse_and_evaluate_with_env($expr, $env) }};
    // Monadic: pass right argument (⍵)
    ($expr:expr, omega: $omega:expr) => {{
        let mut env = $crate::Env::new();
        env.vars
            .insert("⍵".to_string(), $crate::parse::val::Val::from_f64s($omega));
        $crate::parse::parse_and_evaluate_with_env($expr, &mut env)
    }};
    // Dyadic: pass both arguments (⍺ and ⍵)
    ($expr:expr, alpha: $alpha:expr, omega: $omega:expr) => {{
        let mut env = $crate::Env::new();
        env.vars
            .insert("⍺".to_string(), $crate::parse::val::Val::from_f64s($alpha));
        env.vars
            .insert("⍵".to_string(), $crate::parse::val::Val::from_f64s($omega));
        $crate::parse::parse_and_evaluate_with_env($expr, &mut env)
    }};
}