/rust/registry/src/index.crates.io-1949cf8c6b5b557f/bstr-1.12.1/src/unicode/whitespace.rs

Source
use regex_automata::{dfa::Automaton, Anchored, Input};

use crate::unicode::fsm::{
    whitespace_anchored_fwd::WHITESPACE_ANCHORED_FWD,
    whitespace_anchored_rev::WHITESPACE_ANCHORED_REV,
};

/// Return the first position of a non-whitespace character.
pub fn whitespace_len_fwd(slice: &[u8]) -> usize {
    let input = Input::new(slice).anchored(Anchored::Yes);
    WHITESPACE_ANCHORED_FWD
        .try_search_fwd(&input)
        .unwrap()
        .map_or(0, |hm| hm.offset())
}

/// Return the last position of a non-whitespace character.
pub fn whitespace_len_rev(slice: &[u8]) -> usize {
    let input = Input::new(slice).anchored(Anchored::Yes);
    WHITESPACE_ANCHORED_REV
        .try_search_rev(&input)
        .unwrap()
        .map_or(slice.len(), |hm| hm.offset())
}

Coverage Report

Created: 2026-02-14 07:20

Line	Count	Source
1		use regex_automata::{dfa::Automaton, Anchored, Input};
2
3		use crate::unicode::fsm::{
4		whitespace_anchored_fwd::WHITESPACE_ANCHORED_FWD,
5		whitespace_anchored_rev::WHITESPACE_ANCHORED_REV,
6		};
7
8		/// Return the first position of a non-whitespace character.
9	0	pub fn whitespace_len_fwd(slice: &[u8]) -> usize {
10	0	let input = Input::new(slice).anchored(Anchored::Yes);
11	0	WHITESPACE_ANCHORED_FWD
12	0	.try_search_fwd(&input)
13	0	.unwrap()
14	0	.map_or(0, \|hm\| hm.offset()) Unexecuted instantiation: bstr::unicode::whitespace::whitespace_len_fwd::{closure#0} Unexecuted instantiation: bstr::unicode::whitespace::whitespace_len_fwd::{closure#0} Unexecuted instantiation: bstr::unicode::whitespace::whitespace_len_fwd::{closure#0}
15	0	} Unexecuted instantiation: bstr::unicode::whitespace::whitespace_len_fwd Unexecuted instantiation: bstr::unicode::whitespace::whitespace_len_fwd Unexecuted instantiation: bstr::unicode::whitespace::whitespace_len_fwd
16
17		/// Return the last position of a non-whitespace character.
18	0	pub fn whitespace_len_rev(slice: &[u8]) -> usize {
19	0	let input = Input::new(slice).anchored(Anchored::Yes);
20	0	WHITESPACE_ANCHORED_REV
21	0	.try_search_rev(&input)
22	0	.unwrap()
23	0	.map_or(slice.len(), \|hm\| hm.offset()) Unexecuted instantiation: bstr::unicode::whitespace::whitespace_len_rev::{closure#0} Unexecuted instantiation: bstr::unicode::whitespace::whitespace_len_rev::{closure#0} Unexecuted instantiation: bstr::unicode::whitespace::whitespace_len_rev::{closure#0}
24	0	} Unexecuted instantiation: bstr::unicode::whitespace::whitespace_len_rev Unexecuted instantiation: bstr::unicode::whitespace::whitespace_len_rev Unexecuted instantiation: bstr::unicode::whitespace::whitespace_len_rev