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arg-type = number;
The argument must be a correctly formed integer, without any trailing U’s or
L’s. AutoOpts contains a library procedure to convert the string to a number.
If you specify range checking with arg-range
(see below), then AutoOpts
produces a special purpose procedure for this option.
scaled
marks the option so that suffixes of ‘k’, ‘K’,
‘m’, ‘M’, ‘g’, ‘G’, ‘t’, and ‘T’ will multiply
the given number by a power of 1000 or 1024. Lower case letters scale by a
power of 1000 and upper case scale by a power of 1024.
arg-range
is used to create a callback procedure for validating the
range of the option argument. It must match one of the range entries. Each
arg-range
should consist of either an integer by itself or an integer
range. The integer range is specified by one or two integers separated by the
two character sequence, ->
. Be sure to quote the entire range string.
The definitions parser will not accept the range syntax as a single string
token.
The generated procedure imposes the range constraints as follows:
INT_MIN
, both for obvious
reasons and because that value is used to indicate a single-valued match.
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