Multi-dimensional array: Difference between revisions
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% </lang>
The interested reader should also be aware of the difference between arrays and [http://www.tcl.tk/man/tcl/TclCmd/dict.htm dict]ionaries, and know that the latter are often preferred for record-like structures.
=={{header|Vlang}}==
<lang vlang>smd := [][]string{len: 4, init: []string{len:2, init: 'Hello'}}
imd := [][]int{len: 3, init: []int{len:4, init: it}}
mut mmd := [][]f64{len: 5, init: []f64{len: 5}}
mmd[0][2] = 2.0
mmd[1][3] = 4.2
mmd[2][4] = 1.8
mmd[3][0] = 5.0
mut omd := [][]bool{} // initialize without defining size
omd << [true, false, true]
println(smd)
println(imd)
println(mmd)
println(omd)</lang>
{{out}}
<pre>
[['Hello', 'Hello'], ['Hello', 'Hello'], ['Hello', 'Hello'], ['Hello', 'Hello']]
[[0, 1, 2, 3], [0, 1, 2, 3], [0, 1, 2, 3]]
[[0, 0, 2, 0, 0], [0, 0, 0, 4.2, 0], [0, 0, 0, 0, 1.8], [5, 0, 0, 0, 0], [0, 0, 0, 0, 0]]
[[true, false, true]]
</pre>
=={{header|Wren}}==
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