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Diffstat (limited to 'doc/tut1.txt')
| -rw-r--r-- | doc/tut1.txt | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/doc/tut1.txt b/doc/tut1.txt index 28e23b0f0..0cc9b05c1 100644 --- a/doc/tut1.txt +++ b/doc/tut1.txt @@ -1182,6 +1182,21 @@ type and instead write it embedded directly as the type of the first dimension: type TLightTower = array[1..10, array[north..west, TBlinkLights]] +It is quite frequent to have arrays start at zero, so there's a shortcut syntax +to specify a range from zero to the specified index minus one: + +.. code-block:: nimrod + type + TIntArray = array[0..5, int] # an array that is indexed with 0..5 + TQuickArray = array[6, int] # an array that is indexed with 0..5 + var + x: TIntArray + y: TQuickArray + x = [1, 2, 3, 4, 5, 6] + y = x + for i in low(x)..high(x): + echo(x[i], y[i]) + Sequences --------- |