diff options
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_map.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_map.h')
-rw-r--r-- | Firestore/core/src/firebase/firestore/immutable/sorted_map.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/Firestore/core/src/firebase/firestore/immutable/sorted_map.h b/Firestore/core/src/firebase/firestore/immutable/sorted_map.h index 3a50020..21dcfd4 100644 --- a/Firestore/core/src/firebase/firestore/immutable/sorted_map.h +++ b/Firestore/core/src/firebase/firestore/immutable/sorted_map.h @@ -25,6 +25,7 @@ #include "Firestore/core/src/firebase/firestore/immutable/sorted_map_iterator.h" #include "Firestore/core/src/firebase/firestore/immutable/tree_sorted_map.h" #include "Firestore/core/src/firebase/firestore/util/comparison.h" +#include "absl/base/attributes.h" namespace firebase { namespace firestore { @@ -166,7 +167,7 @@ class SortedMap : public impl::SortedMapBase { * @param value The value to associate with the key. * @return A new dictionary with the added/updated value. */ - SortedMap insert(const K& key, const V& value) const { + ABSL_MUST_USE_RESULT SortedMap insert(const K& key, const V& value) const { switch (tag_) { case Tag::Array: if (array_.size() >= kFixedSize) { @@ -193,7 +194,7 @@ class SortedMap : public impl::SortedMapBase { * @param key The key to remove. * @return A new map without that value. */ - SortedMap erase(const K& key) const { + ABSL_MUST_USE_RESULT SortedMap erase(const K& key) const { switch (tag_) { case Tag::Array: return SortedMap{array_.erase(key)}; |