method

hash

Ruby latest stable (v2_5_5) - 0 notes - Class: MatchData

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1_8_7_330
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2_2_9 (38)
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hash() public

Produce a hash based on the target string, regexp and matched positions of this matchdata.

See also Object#hash.

static VALUE
match_hash(VALUE match)
{
    const struct re_registers *regs;
    st_index_t hashval;

    match_check(match);
    hashval = rb_hash_start(rb_str_hash(RMATCH(match)->str));
    hashval = rb_hash_uint(hashval, reg_hash(match_regexp(match)));
    regs = RMATCH_REGS(match);
    hashval = rb_hash_uint(hashval, regs->num_regs);
    hashval = rb_hash_uint(hashval, rb_memhash(regs->beg, regs->num_regs * sizeof(*regs->beg)));
    hashval = rb_hash_uint(hashval, rb_memhash(regs->end, regs->num_regs * sizeof(*regs->end)));
    hashval = rb_hash_end(hashval);
    return ST2FIX(hashval);
}

hash

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