From 1b76d8a29266bca27796a424b3156484df514517 Mon Sep 17 00:00:00 2001
From: David Tolnay <dtolnay@gmail.com>
Date: Fri, 4 Feb 2022 13:52:27 -0800
Subject: [PATCH] Make the [src] link on impl Default for VersionReq more
 comprehensible

---
 src/lib.rs | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/lib.rs b/src/lib.rs
index 4de1bfba..b698fca9 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -184,7 +184,8 @@ pub struct Version {
 /// - Whitespace is permitted around commas and around operators. Whitespace is
 ///   not permitted within a partial version, i.e. anywhere between the major
 ///   version number and its minor, patch, pre-release, or build metadata.
-#[derive(Default, Clone, Eq, PartialEq, Hash, Debug)]
+#[derive(Clone, Eq, PartialEq, Hash, Debug)]
+#[cfg_attr(no_const_vec_new, derive(Default))]
 pub struct VersionReq {
     pub comparators: Vec<Comparator>,
 }
@@ -477,6 +478,14 @@ impl VersionReq {
     }
 }
 
+/// The default VersionReq is the same as [`VersionReq::STAR`].
+#[cfg(not(no_const_vec_new))]
+impl Default for VersionReq {
+    fn default() -> Self {
+        VersionReq::STAR
+    }
+}
+
 impl Comparator {
     pub fn parse(text: &str) -> Result<Self, Error> {
         Comparator::from_str(text)