vcard-rs 0.2.0

vCard parser, validator, editor and builder library for Rust
Documentation 
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//! # Language-tag value
//!
//! The decoded language-tag value kind.
//!
//! Backs the `LANG` property (RFC 6350 4.8), whose value is an RFC 5646
//! language tag (e.g. `en`, `fr-CA`). The tag is kept verbatim; the crate does
//! not parse its subtags. Pure data with no escaping, like the rest of
//! [`crate::value`]; the owning property's wire name lives on
//! [`crate::prop::VcardProp::name`].

use alloc::{borrow::Cow, string::String};

/// A decoded RFC 5646 language tag, kept verbatim.
#[derive(Clone, Debug, Default, PartialEq, Eq)]
pub struct VcardLanguageTag<'a>(pub Cow<'a, str>);

impl<'a> From<&'a str> for VcardLanguageTag<'a> {
    fn from(value: &'a str) -> Self {
        Self(Cow::Borrowed(value))
    }
}

impl From<String> for VcardLanguageTag<'_> {
    fn from(value: String) -> Self {
        Self(Cow::Owned(value))
    }
}

impl<'a> From<Cow<'a, str>> for VcardLanguageTag<'a> {
    fn from(value: Cow<'a, str>) -> Self {
        Self(value)
    }
}