bin: replace .unwrap_or with .map_or

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
2018-10-12 20:22:10 -03:00 · 2018-10-12 20:22:10 -03:00 · 6d7fef078e
commit 6d7fef078e
parent 5d4ed07f1c
1 changed files with 1 additions and 3 deletions
--- a/src/bin/main.rs
+++ b/src/bin/main.rs
@ -156,9 +156,7 @@ fn make_opts() -> Options {
 }

 fn is_nightly() -> bool {
-    option_env!("CFG_RELEASE_CHANNEL")
-        .map(|c| c == "nightly" || c == "dev")
-        .unwrap_or(false)
+    option_env!("CFG_RELEASE_CHANNEL").map_or(false, |c| c == "nightly" || c == "dev")
 }

 // Returned i32 is an exit code