async-graphql 7.2.1

A GraphQL server library implemented in Rust
Documentation 
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use std::{net::IpAddr, str::FromStr};

use crate::{InputType, InputValueError};

pub fn ip<T: AsRef<str> + InputType>(value: &T) -> Result<(), InputValueError<T>> {
    if IpAddr::from_str(value.as_ref()).is_ok() {
        Ok(())
    } else {
        Err("invalid ip".into())
    }
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_ip() {
        assert!(ip(&"1.1.1.1".to_string()).is_ok());
        assert!(ip(&"255.0.0.0".to_string()).is_ok());
        assert!(ip(&"256.1.1.1".to_string()).is_err());
        assert!(ip(&"fe80::223:6cff:fe8a:2e8a".to_string()).is_ok());
        assert!(ip(&"::ffff:254.42.16.14".to_string()).is_ok());
        assert!(ip(&"2a02::223:6cff :fe8a:2e8a".to_string()).is_err());
    }
}