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generalize documentation, make the name shorter

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It's more useful than just *debug* logs, but yes, should not be relied
upon for logic reasons.
This commit is contained in:
Charles Hall 2024-06-23 19:59:06 -07:00
parent 08cd8f19e3
commit 6aca128547
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GPG key ID: 7B8E0645816E07CF
2 changed files with 16 additions and 22 deletions
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30
src/utils.rs
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@ -228,11 +228,8 @@ pub(crate) fn debug_slice_truncated<T: fmt::Debug>(
/// Truncates a string to an approximate maximum length, replacing any extra
/// text with an ellipsis.
///
/// Only to be used for debug logging, exact semantics are unspecified.
pub(crate) fn truncate_str_for_debug(
s: &str,
mut max_len: usize,
) -> Cow<'_, str> {
/// Only to be used for informational purposes, exact semantics are unspecified.
pub(crate) fn dbg_truncate_str(s: &str, mut max_len: usize) -> Cow<'_, str> {
while max_len < s.len() && !s.is_char_boundary(max_len) {
max_len += 1;
}
@ -247,21 +244,18 @@ pub(crate) fn truncate_str_for_debug(
#[cfg(test)]
mod tests {
use crate::utils::truncate_str_for_debug;
use crate::utils::dbg_truncate_str;
#[test]
fn test_truncate_str_for_debug() {
assert_eq!(truncate_str_for_debug("short", 10), "short");
assert_eq!(
truncate_str_for_debug("very long string", 10),
"very long ..."
);
assert_eq!(truncate_str_for_debug("no info, only dots", 0), "...");
assert_eq!(truncate_str_for_debug("", 0), "");
assert_eq!(truncate_str_for_debug("unicöde", 5), "unicö...");
fn test_truncate_str() {
assert_eq!(dbg_truncate_str("short", 10), "short");
assert_eq!(dbg_truncate_str("very long string", 10), "very long ...");
assert_eq!(dbg_truncate_str("no info, only dots", 0), "...");
assert_eq!(dbg_truncate_str("", 0), "");
assert_eq!(dbg_truncate_str("unicöde", 5), "unicö...");
let ok_hand = "👌🏽";
assert_eq!(truncate_str_for_debug(ok_hand, 1), "👌...");
assert_eq!(truncate_str_for_debug(ok_hand, ok_hand.len() - 1), "👌🏽");
assert_eq!(truncate_str_for_debug(ok_hand, ok_hand.len()), "👌🏽");
assert_eq!(dbg_truncate_str(ok_hand, 1), "👌...");
assert_eq!(dbg_truncate_str(ok_hand, ok_hand.len() - 1), "👌🏽");
assert_eq!(dbg_truncate_str(ok_hand, ok_hand.len()), "👌🏽");
}
}