Filter out empty items in bootstrap::flags::split

tmandry · tmandry · commit bf7aeaa617e3 · 2020-09-29T22:50:57.000Z
diff --git a/src/bootstrap/flags.rs b/src/bootstrap/flags.rs
@@ -679,7 +679,7 @@ impl Subcommand {
 }
 
 fn split(s: &[String]) -> Vec<String> {
-    s.iter().flat_map(|s| s.split(',')).map(|s| s.to_string()).collect()
+    s.iter().flat_map(|s| s.split(',')).filter(|s| !s.is_empty()).map(|s| s.to_string()).collect()
 }
 
 fn parse_deny_warnings(matches: &getopts::Matches) -> Option<bool> {

Original file line number	Diff line number	Diff line change
`@@ -679,7 +679,7 @@ impl Subcommand {`
`679`	`679`	`}`
`680`	`680`
`681`	`681`	`fn split(s: &[String]) -> Vec<String> {`
`682`		`- s.iter().flat_map(\|s\| s.split(',')).map(\|s\| s.to_string()).collect()`
	`682`	`+ s.iter().flat_map(\|s\| s.split(',')).filter(\|s\| !s.is_empty()).map(\|s\| s.to_string()).collect()`
`683`	`683`	`}`
`684`	`684`
`685`	`685`	`fn parse_deny_warnings(matches: &getopts::Matches) -> Option<bool> {`