_at. Element access by index
[3.4.1]
^h
ash
._at(index)
^h
ash
._at(-index)
^h
ash
._at[first]
^h
ash
._at[last]
The method returns value with specified index (starting from zero), so
^hash._at(0)
is equal to
^hash._at[first]
.
For negative index it is calculated from the end of the hash, so
^hash._at(-1)
is equal to
^hash._at[last]
.
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Last updated: 26.02.2011