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Fuzion • Library Modules • base • Sequence • index_of

index_of

Sequence.index_of

index_of
(x T)
 => 
option i64
[src]
determine the index of element x within this list. 0 if x is at the
head of the list, 1 if it comes directly after head, etc. nil if x is
not in the list.
Precondition
pre
  T : property.equatable
0.099dev (GIT hash a68bce9af280552faedee34cd5433dc10b6454de)
last changed: 2026-10-14