Function walk_dir

perro_source/io_stack/perro_assets/src/walkdir.rs:4–19

Visits all files in a directory tree, calling the provided callback for each file.

(dir: &Path, callback: &mut F)

    collections::HashSet,
    fs, io,
    path::{Path, PathBuf},
    sync::{LazyLock, RwLock},
};

#[cfg(windows)]
use std::os::windows::fs::MetadataExt;

static PATH_EXCLUSIONS: LazyLock<RwLock<Vec<CompiledPathPattern>>> =
    LazyLock::new(|| RwLock::new(Vec::new()));

#[must_use = "dropping the guard restores prior path exclusions"]
pub struct PathExclusionGuard {
    previous: Vec<CompiledPathPattern>,
}

pub fn push_path_exclusions(patterns: Vec<String>) -> PathExclusionGuard {
    let compiled = patterns
        .iter()
        .map(|pattern| CompiledPathPattern::new(pattern))