End of Life Ruby 3.0 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →
instance method
StringIO#write
strio.write(string, ...) → integer
strio.syswrite(string) → integer
ext/stringio/stringio.c
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static VALUE
strio_write_m(int argc, VALUE *argv, VALUE self)
{
long len = 0;
while (argc-- > 0) {
/* StringIO can't exceed long limit */
len += strio_write(self, *argv++);
}
return LONG2NUM(len);
}
Appends the given string to the underlying buffer string. The stream must be opened for writing. If the argument is not a string, it will be converted to a string using to_s. Returns the number of bytes written. See IO#write.