Array

Applies to: general, cpp, fortran

An array is an ordered, indexed collection of elements of the same type, stored contiguously so element access is O(1). Indexing is usually zero-based (C++, Python) but one-based in Fortran.

a = [10, 20, 30]
a[0]   # 10 (first element)
len(a) # 3

See also: loop, std-vector, numpy-array