23 #[cfg(feature = "regex")]
113 /// Only available when feature `regex` is enabled.
117 /// * `regex` - A regular expression to match binaries with
124 /// use regex::Regex;
128 /// let re = Regex::new(r"python\d$").unwrap();
138 /// use regex::Regex;
140 /// which_re(Regex::new("^cargo-.*").unwrap()).unwrap()
143 #[cfg(feature = "regex")]
144 pub fn which_re(regex: impl Borrow<Regex>) -> Result<impl Iterator<Item = path::PathBuf>> {  in which_re()
145     which_re_in(regex, env::var_os("PATH"))  in which_re()
161 /// Only available when feature `regex` is enabled.
165 /// * `regex` - A regular expression to match binaries with
172 /// use regex::Regex;
176 /// let re = Regex::new(r"python\d$").unwrap();
182 #[cfg(feature = "regex")]
184     regex: impl Borrow<Regex>,  in which_re_in()  argument
194     finder.find_re(regex, paths, binary_checker)  in which_re_in()
242     #[cfg(feature = "regex")]
243     regex: Option<Regex>,  field
252             #[cfg(feature = "regex")]  in default()
253             regex: None,  in default()
258 #[cfg(feature = "regex")]
259 type Regex = regex::Regex;  typedef
261 #[cfg(not(feature = "regex"))]
262 type Regex = ();  typedef
273     /// If regex was set previously, and you've just passed in `use_cwd: true`, this will panic.
275         #[cfg(feature = "regex")]  in system_cwd()
276         if self.regex.is_some() && use_cwd {  in system_cwd()
277             panic!("which can't use regex and cwd at the same time!")  in system_cwd()
287     /// If regex was set previously, this will panic.
289         #[cfg(feature = "regex")]  in custom_cwd()
290         if self.regex.is_some() {  in custom_cwd()
291             panic!("which can't use regex and cwd at the same time!")  in custom_cwd()
297 …/// Sets the path name regex to search for. You ***MUST*** call this, or [`Self::binary_name`] pri…
299 …/// When `Regex` is disabled this function takes the unit type as a stand in. The parameter will c…
300     /// `Regex` is enabled.
304 …/// If the `regex` feature wasn't turned on for this crate this will always panic. Additionally if…
306     /// are incompatible with `regex`.
308     pub fn regex(mut self, regex: Regex) -> Self {  in regex()  method
309         #[cfg(not(feature = "regex"))]  in regex()
311             panic!("which's regex feature was not enabled in your Cargo.toml!")  in regex()
313         #[cfg(feature = "regex")]  in regex()
316                 panic!("which can't use regex and cwd at the same time!")  in regex()
319                 panic!("which can't use `binary_name` and `regex` at the same time!");  in regex()
321             self.regex = Some(regex);  in regex()
326 …/// Sets the path name to search for. You ***MUST*** call this, or [`Self::regex`] prior to search…
330     /// If a `regex` was set previously this will panic as this is not compatible with `regex`.
332         #[cfg(feature = "regex")]  in binary_name()
333         if self.regex.is_some() {  in binary_name()
334             panic!("which can't use `binary_name` and `regex` at the same time!");  in binary_name()
366         #[cfg(feature = "regex")]  in all_results()
367         if let Some(regex) = self.regex {  in all_results()
369                 .find_re(regex, paths, binary_checker)  in all_results()
382                     "binary_name not set! You must set binary_name or regex before searching!",  in all_results()