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comparison rust/hg-core/src/utils.rs @ 46669:e8cd519a0a34

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rhg: Ignore trailing newlines in .hg/sharedpath Differential Revision: https://phab.mercurial-scm.org/D10132
author Simon Sapin <simon.sapin@octobus.net>
date Thu, 04 Mar 2021 13:26:53 +0100
parents a069639783a0
children 91ab5190a3de
comparison
equal deleted inserted replaced
46668:fb2368598281 46669:e8cd519a0a34
65 } 65 }
66 } 66 }
67 } 67 }
68 68
69 pub trait SliceExt { 69 pub trait SliceExt {
70 fn trim_end_newlines(&self) -> &Self;
70 fn trim_end(&self) -> &Self; 71 fn trim_end(&self) -> &Self;
71 fn trim_start(&self) -> &Self; 72 fn trim_start(&self) -> &Self;
72 fn trim(&self) -> &Self; 73 fn trim(&self) -> &Self;
73 fn drop_prefix(&self, needle: &Self) -> Option<&Self>; 74 fn drop_prefix(&self, needle: &Self) -> Option<&Self>;
74 fn split_2(&self, separator: u8) -> Option<(&[u8], &[u8])>; 75 fn split_2(&self, separator: u8) -> Option<(&[u8], &[u8])>;
78 fn is_not_whitespace(c: &u8) -> bool { 79 fn is_not_whitespace(c: &u8) -> bool {
79 !(*c as char).is_whitespace() 80 !(*c as char).is_whitespace()
80 } 81 }
81 82
82 impl SliceExt for [u8] { 83 impl SliceExt for [u8] {
84 fn trim_end_newlines(&self) -> &[u8] {
85 if let Some(last) = self.iter().rposition(|&byte| byte != b'\n') {
86 &self[..=last]
87 } else {
88 &[]
89 }
90 }
83 fn trim_end(&self) -> &[u8] { 91 fn trim_end(&self) -> &[u8] {
84 if let Some(last) = self.iter().rposition(is_not_whitespace) { 92 if let Some(last) = self.iter().rposition(is_not_whitespace) {
85 &self[..=last] 93 &self[..=last]
86 } else { 94 } else {
87 &[] 95 &[]