Inherits Collation
Implements the "i;ascii-numeric" collation from RFC 4790.
The "i;ascii-numeric" collation is a simple collation intended for use with arbitrarily-sized, unsigned decimal integer numbers stored as octet strings. US-ASCII digits (0x30 to 0x39) represent digits of the numbers. Before converting from string to integer, the input string is truncated at the first non-digit character. All input is valid; strings that do not start with a digit represent positive infinity.
Returns -1, 0, or 1 if a is smaller than, equal to, or greater than b, respectively.
Reimplements Collation::compare().
Returns false (this collation doesn't support substring operations).
Reimplements Collation::contains().
Returns true if a is equal to b, and false otherwise.
Reimplements Collation::equals().
Returns true (all input strings are valid).
Reimplements Collation::valid().
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