This Excel Lambda function provides a simplified interface for creating lists of integers
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/* | |
from is the first integer in the list | |
to is the target integer in the list | |
step is the difference between successive integers | |
*/ | |
L =LAMBDA(from,to,[step], | |
LET( | |
_step, IF(ISOMITTED(step), IF(from > to, -1, 1), step), | |
//arguments should be single integers | |
_check, LAMBDA(x, OR(ROWS(x) + COLUMNS(x) <> 2, INT(x) <> x)), | |
IF( | |
//if any of these are TRUE, then there's an array somewhere | |
//array = no bueno | |
OR(_check(from), _check(to), _check(_step)), | |
#VALUE!, | |
LET( | |
_diff, MAX(from, to) - MIN(from, to), | |
_rows, ROUNDUP((_diff + 1) / ABS(_step), 0), | |
SEQUENCE( _rows, 1, from, _step) | |
) | |
) | |
) | |
); |
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