[tor-commits] [tor/master] Removed the use of expect from CodingStandardsRust

nickm at torproject.org nickm at torproject.org
Wed Apr 3 12:32:26 UTC 2019


commit 0ebe290198ca852c27422fb3a82670f113f78727
Author: Elichai Turkel <elichai.turkel at gmail.com>
Date:   Mon Apr 1 21:50:02 2019 +0300

    Removed the use of expect from CodingStandardsRust
---
 doc/HACKING/CodingStandardsRust.md | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/doc/HACKING/CodingStandardsRust.md b/doc/HACKING/CodingStandardsRust.md
index fc562816d..b570e10dc 100644
--- a/doc/HACKING/CodingStandardsRust.md
+++ b/doc/HACKING/CodingStandardsRust.md
@@ -256,7 +256,7 @@ Here are some additional bits of advice and rules:
    or 2) should fail (i.e. in a unittest).
 
    You SHOULD NOT use `unwrap()` anywhere in which it is possible to handle the
-   potential error with either `expect()` or the eel operator, `?`.
+   potential error with the eel operator, `?` or another non panicking way.
    For example, consider a function which parses a string into an integer:
 
         fn parse_port_number(config_string: &str) -> u16 {
@@ -264,12 +264,12 @@ Here are some additional bits of advice and rules:
         }
 
    There are numerous ways this can fail, and the `unwrap()` will cause the
-   whole program to byte the dust!  Instead, either you SHOULD use `expect()`
+   whole program to byte the dust!  Instead, either you SHOULD use `ok()`
    (or another equivalent function which will return an `Option` or a `Result`)
    and change the return type to be compatible:
 
         fn parse_port_number(config_string: &str) -> Option<u16> {
-            u16::from_str_radix(config_string, 10).expect("Couldn't parse port into a u16")
+            u16::from_str_radix(config_string, 10).ok()
         }
 
    or you SHOULD use `or()` (or another similar method):





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