list.at
Syntax
- a := list.at(l,i) := a
Get/sets the value of a list at index i.
This is occasionally useful instead of using an argument because it is compatible with splitting – for example to return the fourth entry in a list of lists and return that as a list.
Note also that currently negative indices or an index range are not supported.
Since the first argument is in implicity reference, it cannot be a temporary. An intermediate local or global value must be created if this is called in an extended expression.
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