meant 0.1.0

Canonical runtime Contract graph projection for Candid DID interfaces
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36

//! Imported-bundle compilation with no filesystem.
//!
//! The host holds every source itself and hands the compiler one immutable
//! logical bundle. Nothing is read from or written to disk, so this is
//! `compiler` surface — the same code a browser-WASM host runs.

use meant::{compile_with_resolver, CompileOptions, MemoryResolver, RuntimeContext};
use std::error::Error;

fn main() -> Result<(), Box<dyn Error>> {
    let mut resolver = MemoryResolver::new();
    resolver.insert(
        "api/root.did",
        r#"import "types.did"; service : { read: () -> (Item) query };"#,
    )?;
    resolver.insert(
        "api/types.did",
        "type Item = record { id: nat64; label: text };",
    )?;

    let compilation = compile_with_resolver(
        "api/root.did",
        &resolver,
        CompileOptions::default(),
        &RuntimeContext::default(),
    )?;
    let source_info = compilation
        .source_info()
        .ok_or("source provenance was not requested")?;
    println!("contract: {}", compilation.contract().contract_id());
    println!("source bundle: {}", source_info.source_bundle_id());
    for source in source_info.sources() {
        println!("- {} ({} bytes)", source.name, source.source.len());
    }
    Ok(())
}