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Diffstat (limited to 'crates/cfg/src/lib.rs')
| -rw-r--r-- | crates/cfg/src/lib.rs | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/crates/cfg/src/lib.rs b/crates/cfg/src/lib.rs index 6b178e7b04..454d6fc538 100644 --- a/crates/cfg/src/lib.rs +++ b/crates/cfg/src/lib.rs @@ -131,11 +131,9 @@ impl CfgDiff { /// of both. pub fn new(enable: Vec<CfgAtom>, disable: Vec<CfgAtom>) -> Option<CfgDiff> { let mut occupied = FxHashSet::default(); - for item in enable.iter().chain(disable.iter()) { - if !occupied.insert(item) { - // was present - return None; - } + if enable.iter().chain(disable.iter()).any(|item| !occupied.insert(item)) { + // was present + return None; } Some(CfgDiff { enable, disable }) |