validators 0.25.3

This library is designed for validating and modeling user input. The crate includes models, functions, traits, errors, and other dependencies.
Documentation 
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use core::str::{from_utf8_unchecked, FromStr};
use std::net::{AddrParseError, Ipv4Addr};

/// Determine whether the input `Ipv4Addr` is local.
#[inline]
pub const fn is_local_ipv4(addr: Ipv4Addr) -> bool {
    addr.is_private()
        || addr.is_loopback()
        || addr.is_link_local()
        || addr.is_broadcast()
        || addr.is_documentation()
        || addr.is_unspecified()
}

/// Parse a string to `Ipv4Addr`, allowing an ended dot.
#[inline]
pub fn parse_ipv4_allow_an_ended_dot<S: AsRef<str>>(s: S) -> Result<Ipv4Addr, AddrParseError> {
    let s = s.as_ref();
    let bytes = s.as_bytes();

    debug_assert!(!bytes.is_empty());

    let length = bytes.len();

    let s = if length > 0 && bytes[length - 1] == b'.' {
        unsafe { from_utf8_unchecked(&bytes[..(length - 1)]) }
    } else {
        s
    };

    Ipv4Addr::from_str(s)
}