Exception#to_s

exception.to_s → string

static VALUE
exc_to_s(VALUE exc)
{
    VALUE mesg = rb_attr_get(exc, idMesg);

    if (NIL_P(mesg)) return rb_class_name(CLASS_OF(exc));
    return rb_String(mesg);
}

Returns exception’s message (or the name of the exception if no message is set).

See also #to_json #set_backtrace also in 4.1 · 4.0 · 3.4 · 3.2 · 3.1 · 3.0

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