Allow pattern, contains, prefix and suffix accept expression

[jirutka]

use once_cell::sync::Lazy;
use regex::Regex;

static LAZY_RE: Lazy<Regex> = Lazy::new(|| Regex::new(r"[a-zA-Z0-9][a-zA-Z0-9_]+").unwrap());
const STR: &str = "test";

#[derive(garde::Validate)]
struct Test {
    #[garde(pattern(LAZY_RE))]
    v: String,

    #[garde(pattern(create_regex()))]
    w: String,

    #[garde(contains(STR))]
    x: String,
}

fn create_regex() -> Regex {
    Regex::new(r"^abcd|efgh$").unwrap()
}

[jprochazk]

Overall, this looks good! I hope the proc macro was not too hard to work on. 🙂

There were a few minor changes that I thought made sense, let me know what you think.

[jirutka]

I hope the proc macro was not too hard to work on. slightly_smiling_face

On the contrary, it is very well structured. :)

There were a few minor changes that I thought made sense, let me know what you think.

They are all good!

I’ve squashed fixups to clean up the git history.

[jprochazk]

Thank you!