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author | Konstantin Varlamov <var-const@users.noreply.github.com> | 2018-07-09 13:56:06 -0400 |
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committer | GitHub <noreply@github.com> | 2018-07-09 13:56:06 -0400 |
commit | 637e5aa468ab0c3b1faa3b7970ad3e91fb6c6f74 (patch) | |
tree | bcee145fb8095fb8bf5b6949bfa6901e2677a546 /Firestore/core/src/firebase/firestore/immutable/sorted_set.h | |
parent | a5eb8952f8eadf1f59de1b0e7e9b91d497664fa7 (diff) |
C++: for immutable data structures, forbid ignoring result of insert/erase
Diffstat (limited to 'Firestore/core/src/firebase/firestore/immutable/sorted_set.h')
-rw-r--r-- | Firestore/core/src/firebase/firestore/immutable/sorted_set.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/Firestore/core/src/firebase/firestore/immutable/sorted_set.h b/Firestore/core/src/firebase/firestore/immutable/sorted_set.h index 1fe91bd..e4d340a 100644 --- a/Firestore/core/src/firebase/firestore/immutable/sorted_set.h +++ b/Firestore/core/src/firebase/firestore/immutable/sorted_set.h @@ -25,6 +25,7 @@ #include "Firestore/core/src/firebase/firestore/util/comparison.h" #include "Firestore/core/src/firebase/firestore/util/hard_assert.h" #include "Firestore/core/src/firebase/firestore/util/hashing.h" +#include "absl/base/attributes.h" namespace firebase { namespace firestore { @@ -76,11 +77,11 @@ class SortedSet { return map_.size(); } - SortedSet insert(const K& key) const { + ABSL_MUST_USE_RESULT SortedSet insert(const K& key) const { return SortedSet{map_.insert(key, {})}; } - SortedSet erase(const K& key) const { + ABSL_MUST_USE_RESULT SortedSet erase(const K& key) const { return SortedSet{map_.erase(key)}; } |