tests: fix compilation of doctests on 32-bit architectures

PR #1107

Author: decathorpe

regex-automata/src/util/captures.rs

@@ -433,7 +433,6 @@ impl Captures {
     ///
     /// ```
     /// # if cfg!(miri) { return Ok(()); } // miri takes too long
-    /// # if !cfg!(target_pointer_width = "64") { return Ok(()); } // see #1039
     /// use regex_automata::{nfa::thompson::pikevm::PikeVM, Span, Match};
     ///
     /// let re = PikeVM::new(r"^(?P<first>\pL+)\s+(?P<last>\pL+)$")?;
@@ -445,6 +444,8 @@ impl Captures {
     /// assert_eq!(Some(Span::from(6..17)), caps.get_group(2));
     /// // Looking for a non-existent capturing group will return None:
     /// assert_eq!(None, caps.get_group(3));
+    /// # // literals are too big for 32-bit usize: #1039
+    /// # #[cfg(target_pointer_width = "64")]
     /// assert_eq!(None, caps.get_group(9944060567225171988));
     ///
     /// # Ok::<(), Box<dyn std::error::Error>>(())

src/regex/bytes.rs

@@ -2025,7 +2025,6 @@ impl<'h, 'n> core::ops::Index<&'n str> for Captures<'h> {
 /// This example shows how to create and use `CaptureLocations` in a search.
 ///
 /// ```
-/// # if !cfg!(target_pointer_width = "64") { return; } // see #1041
 /// use regex::bytes::Regex;
 ///
 /// let re = Regex::new(r"(?<first>\w+)\s+(?<last>\w+)").unwrap();
@@ -2038,7 +2037,10 @@ impl<'h, 'n> core::ops::Index<&'n str> for Captures<'h> {
 ///
 /// // Asking for an invalid capture group always returns None.
 /// assert_eq!(None, locs.get(3));
+/// # // literals are too big for 32-bit usize: #1041
+/// # #[cfg(target_pointer_width = "64")]
 /// assert_eq!(None, locs.get(34973498648));
+/// # #[cfg(target_pointer_width = "64")]
 /// assert_eq!(None, locs.get(9944060567225171988));
 /// ```
 #[derive(Clone, Debug)]

src/regex/string.rs

@@ -2028,7 +2028,6 @@ impl<'h, 'n> core::ops::Index<&'n str> for Captures<'h> {
 /// This example shows how to create and use `CaptureLocations` in a search.
 ///
 /// ```
-/// # if !cfg!(target_pointer_width = "64") { return; } // see #1041
 /// use regex::Regex;
 ///
 /// let re = Regex::new(r"(?<first>\w+)\s+(?<last>\w+)").unwrap();
@@ -2041,7 +2040,10 @@ impl<'h, 'n> core::ops::Index<&'n str> for Captures<'h> {
 ///
 /// // Asking for an invalid capture group always returns None.
 /// assert_eq!(None, locs.get(3));
+/// # // literals are too big for 32-bit usize: #1041
+/// # #[cfg(target_pointer_width = "64")]
 /// assert_eq!(None, locs.get(34973498648));
+/// # #[cfg(target_pointer_width = "64")]
 /// assert_eq!(None, locs.get(9944060567225171988));
 /// ```
 #[derive(Clone, Debug)]