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remove

container.mutable_tree_map.remove

(key container.mutable_tree_map.KEY)
 => 
option container.mutable_tree_map.VAL
[Redefinition of  container.Mutable_Map.remove]
[Contains abstract features]
remove the mapping from k to some value from this map

returns the value that k previously mapped to, or nil if
no mapping was actually removed
0.094dev (2025-06-18 15:08:51 GIT hash 89cffc23ae669b0898a5564fefbf793fcb8e5ca7 built by fridi@fzen)