Add perfromance note to `try_parsing`

1 files changed, 2 insertions, 0 deletions

diff --git a/src/env.rs b/src/env.rs
index a4a917b..fd0fe52 100644
--- a/src/env.rs
+++ b/src/env.rs
@@ -56,6 +56,8 @@ impl Environment {
         self
     }
 
+    /// Note: enabling `try_parsing` can reduce performance it will try and parse
+    /// each environment variable 3 times (bool, i64, f64)
     pub fn try_parsing(mut self, try_parsing: bool) -> Self {
         self.try_parsing = try_parsing;
         self