Fuzion Logo
fuzion-lang.dev — The Fuzion Language Portal
JavaScript seems to be disabled. Functionality is limited.

is_valid_index

Sequence.is_valid_index

(I 
type
:
integer, i I)
 => 
bool
check if argument is a valid index in this sequence.

Note that this may have a performance in O(i) unless this
Sequence is_array_backed.

Type Parameters

0.098dev (GIT hash b44352b4c68decbc58a097b291a1c8f3a5a05486)
last changed: 2026-07-03