malachite_base/rational_sequences/
to_string.rs

1// Copyright © 2025 Mikhail Hogrefe
2//
3// This file is part of Malachite.
4//
5// Malachite is free software: you can redistribute it and/or modify it under the terms of the GNU
6// Lesser General Public License (LGPL) as published by the Free Software Foundation; either version
7// 3 of the License, or (at your option) any later version. See <https://www.gnu.org/licenses/>.
8
9use crate::rational_sequences::RationalSequence;
10use core::fmt::{Debug, Display, Formatter, Result, Write};
11
12impl<T: Display + Eq> Display for RationalSequence<T> {
13    /// Converts a [`RationalSequence`] to a [`String`].
14    ///
15    /// # Worst-case complexity
16    /// $T(n) = O(n)$
17    ///
18    /// $M(n) = O(n)$
19    ///
20    /// where $T$ is time, $M$ is additional memory, and $n$ is `self.component_len()`.
21    ///
22    /// # Examples
23    /// ```
24    /// use malachite_base::rational_sequences::RationalSequence;
25    ///
26    /// assert_eq!(
27    ///     RationalSequence::<u8>::from_vecs(vec![], vec![]).to_string(),
28    ///     "[]"
29    /// );
30    /// assert_eq!(
31    ///     RationalSequence::<u8>::from_vecs(vec![], vec![1, 2]).to_string(),
32    ///     "[[1, 2]]"
33    /// );
34    /// assert_eq!(
35    ///     RationalSequence::<u8>::from_vecs(vec![1, 2], vec![]).to_string(),
36    ///     "[1, 2]"
37    /// );
38    /// assert_eq!(
39    ///     RationalSequence::<u8>::from_vecs(vec![1, 2], vec![3, 4]).to_string(),
40    ///     "[1, 2, [3, 4]]"
41    /// );
42    /// ```
43    fn fmt(&self, f: &mut Formatter) -> Result {
44        f.write_char('[')?;
45        let mut first = true;
46        for x in &self.non_repeating {
47            if first {
48                first = false;
49            } else {
50                f.write_str(", ")?;
51            }
52            Display::fmt(x, f)?;
53        }
54        if !self.repeating.is_empty() {
55            if !self.non_repeating.is_empty() {
56                f.write_str(", ")?;
57            }
58            f.write_char('[')?;
59            let mut first = true;
60            for x in &self.repeating {
61                if first {
62                    first = false;
63                } else {
64                    f.write_str(", ")?;
65                }
66                Display::fmt(x, f)?;
67            }
68            f.write_char(']')?;
69        }
70        f.write_char(']')
71    }
72}
73
74impl<T: Display + Eq> Debug for RationalSequence<T> {
75    /// Converts a [`RationalSequence`] to a [`String`].
76    ///
77    /// This is the same implementation as for [`Display`].
78    ///
79    /// # Worst-case complexity
80    /// $T(n) = O(n)$
81    ///
82    /// $M(n) = O(n)$
83    ///
84    /// where $T$ is time, $M$ is additional memory, and $n$ is `self.component_len()`.
85    ///
86    /// # Examples
87    /// ```
88    /// use malachite_base::rational_sequences::RationalSequence;
89    /// use malachite_base::strings::ToDebugString;
90    ///
91    /// assert_eq!(
92    ///     RationalSequence::<u8>::from_vecs(vec![], vec![]).to_debug_string(),
93    ///     "[]"
94    /// );
95    /// assert_eq!(
96    ///     RationalSequence::<u8>::from_vecs(vec![], vec![1, 2]).to_debug_string(),
97    ///     "[[1, 2]]"
98    /// );
99    /// assert_eq!(
100    ///     RationalSequence::<u8>::from_vecs(vec![1, 2], vec![]).to_debug_string(),
101    ///     "[1, 2]"
102    /// );
103    /// assert_eq!(
104    ///     RationalSequence::<u8>::from_vecs(vec![1, 2], vec![3, 4]).to_string(),
105    ///     "[1, 2, [3, 4]]"
106    /// );
107    /// ```
108    fn fmt(&self, f: &mut Formatter) -> Result {
109        Display::fmt(self, f)
110    }
111}
malachite_base/rational_sequences/to_string.rs

malachite_base/rational_sequences/
to_string.rs
