zrx_id/id/sequence/
element.rs

1// Copyright (c) 2025-2026 Zensical and contributors
2
3// SPDX-License-Identifier: MIT
4// All contributions are certified under the DCO
5
6// Permission is hereby granted, free of charge, to any person obtaining a copy
7// of this software and associated documentation files (the "Software"), to
8// deal in the Software without restriction, including without limitation the
9// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
10// sell copies of the Software, and to permit persons to whom the Software is
11// furnished to do so, subject to the following conditions:
12
13// The above copyright notice and this permission notice shall be included in
14// all copies or substantial portions of the Software.
15
16// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
19// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
22// IN THE SOFTWARE.
23
24// ----------------------------------------------------------------------------
25
26//! Sequence element.
27
28use std::fmt::{self, Debug};
29
30use crate::id::expression::Expression;
31
32// ----------------------------------------------------------------------------
33// Enums
34// ----------------------------------------------------------------------------
35
36/// Sequence element.
37#[derive(Clone, PartialEq, Eq)]
38pub enum Element {
39    /// Expression.
40    Expression(Expression),
41    /// Gap.
42    Gap,
43}
44
45// ----------------------------------------------------------------------------
46// Trait implementations
47// ----------------------------------------------------------------------------
48
49impl<T> From<T> for Element
50where
51    T: Into<Expression>,
52{
53    /// Creates an element from an expression.
54    #[inline]
55    fn from(expr: T) -> Self {
56        Element::Expression(expr.into())
57    }
58}
59
60// ----------------------------------------------------------------------------
61
62impl Debug for Element {
63    /// Formats the element for debugging.
64    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
65        match self {
66            Element::Expression(expr) => Debug::fmt(expr, f),
67            Element::Gap => f.write_str("Gap"),
68        }
69    }
70}
zrx_id/id/sequence/element.rs

zrx_id/id/sequence/
element.rs
