collate

Description:

public bool collate (string? str_a, string? str_b, out int result) throws Error

Compares str_a with str_b, the order of strings is determined by the parameters of this.

The result will be set to integer less than, equal to, or greater than zero if str_a is found, respectively, to be less than, to match, or be greater than str_b.

Either str_a or str_b can be null, null strings are considered to sort below other strings.

This function will first ensure that both strings are valid UTF-8.

Parameters:

this	An Collator
str_a	A string to compare
str_b	The string to compare with `str_a`
result	A location to store the comparison result

Returns:

true on success, otherwise if false is returned then error will be set.