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instance method

StringScanner#<<

<<(str)

static VALUE
strscan_concat(VALUE self, VALUE str)
{
    struct strscanner *p;

    GET_SCANNER(self, p);
    StringValue(str);
    rb_str_append(p->str, str);
    return self;
}

Alias of #concat

Appends str to the string being scanned. This method does not affect scan pointer.

Example

s = StringScanner.new("Fri Dec 12 1975 14:39")
s.scan(/Fri /)
s << " +1000 GMT"
s.string            # -> "Fri Dec 12 1975 14:39 +1000 GMT"
s.scan(/Dec/)       # -> "Dec"

See also #concat .new #[] .must_C_version also in 4.1 · 4.0 · 3.4 · 3.3 · 3.1 · 3.0

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