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is_valid_index

container.abstract_array.is_valid_index

(i i32)
 => 
bool
[Redefinition of  Sequence.is_valid_index]
[Contains abstract features]
check if argument is a valid index in this array.

Unlike for general Sequences, this performs in O(1).
0.094dev (2025-06-18 15:08:51 GIT hash 89cffc23ae669b0898a5564fefbf793fcb8e5ca7 built by fridi@fzen)