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39 lines
734 B
Plaintext
39 lines
734 B
Plaintext
NAME
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rsearch - reverse search a matrix, list or association for a value
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SYNOPSIS
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rsearch(x, val [,idx])
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TYPES
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x matrix, &matrix, list, &list, assoc, &assoc
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val any, &any
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idx int
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return any
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DESCRIPTION
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Reverse search the matrix, list or association x for the value
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val. By default, the search starts at the end. If idx is given,
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the reverse search starts at index indx.
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If the value is not found, this function returns nil.
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EXAMPLE
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> lst = list(2,"three",4i)
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> rsearch(lst,"three")
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1
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> rsearch(lst,"threes")
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> rsearch(lst, 4i, 4)
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> rsearch(lst, 4i, 1)
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> rsearch(lst, 4i, 3)
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2
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LIMITS
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none
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LIBRARY
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none
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SEE ALSO
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assoc, list, mat, search
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