Cursus Raku / Elementa / Plura de generibus / Positionalia data genera / Nidificata array

Quiz — Nidificata array

Est array array:

my @data =
    [1.2, 2.3, 3.4],
    [4.5, 5.6, 6.7],
    [5.6, 6.7, 7.8],
    [6.7, 7.8, 8.9];

Elementa singula

Quid exspectas videre in output ad singulas lineas codicis sequentes?

5.6dic @data[1][1]; # ␣␣␣
1.2dic @data[0][0]; # ␣␣␣
7.8dic @data[2][2]; # ␣␣␣

Comparatio

Selige rectum Booleanum eventum comparationum sequentium.

Falsum@data[0][0] == @data[2][2] est  (: Falsum, Verum :)
Verum@data[1][1] == @data[2][0] est  (: Falsum, Verum :)

Longitudines

Quid valorem vocat methodus size in sequentibus?

4@data.elems —  (: 1, 2, 3, 4, 5 :)
3@data[0].elems —  (: 1, 2, 3, 4, 5 :)
3@data[1].elems —  (: 1, 2, 3, 4, 5 :) 
3@data[2].elems —  (: 1, 2, 3, 4, 5 :)

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