ace-macros 0.3.0

Proc-macro crate. Provides FrameCodec which generates FrameRead and FrameWrite impls for structs and enums.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19

use proc_macro2::{Span, TokenStream};
use syn::Generics;

// region: Lifetime helpers

pub fn has_lifetime(generics: &Generics) -> bool {
    generics.lifetimes().next().is_some()
}

// endregion: Lifetime helpers

// region: Error helpers

pub fn compile_error(span: Span, msg: &str) -> TokenStream {
    let msg = msg.to_string();
    quote::quote_spanned! { span => compile_error!(#msg); }
}

// endregion: Error helpers