Guard { label, start: Instant::now() }
}
+/// Prints backtrace to stderr, useful for debugging.
+#[cfg(feature = "backtrace")]
+pub fn print_backtrace() {
+ let bt = backtrace::Backtrace::new();
+ eprintln!("{:?}", bt);
+}
+#[cfg(not(feature = "backtrace"))]
+pub fn print_backtrace() {
+ eprintln!(
+ r#"Enable the backtrace feature.
+Uncomment `default = [ "backtrace" ]` in `crates/stdx/Cargo.toml`.
+"#
+ );
+}
+
+pub fn to_lower_snake_case(s: &str) -> String {
+ to_snake_case(s, char::to_ascii_lowercase)
+}
+pub fn to_upper_snake_case(s: &str) -> String {
+ to_snake_case(s, char::to_ascii_uppercase)
+}
fn to_snake_case<F: Fn(&char) -> char>(s: &str, change_case: F) -> String {
let mut buf = String::with_capacity(s.len());
let mut prev = false;
buf
}
-pub fn to_lower_snake_case(s: &str) -> String {
- to_snake_case(s, char::to_ascii_lowercase)
-}
-
-pub fn to_upper_snake_case(s: &str) -> String {
- to_snake_case(s, char::to_ascii_uppercase)
-}
-
pub fn replace(buf: &mut String, from: char, to: &str) {
if !buf.contains(from) {
return;