* closing, closed, or canceled.
   *
   * This method returns immediately.
   */
  fun send(text: String): Boolean

  /**
   * Attempts to enqueue `bytes` to be sent as a the data of a binary (type `0x2`) message.
   *
   * This method returns true if the message was enqueued. Messages that would overflow the outgoing
   * message buffer (16 MiB) will be rejected and trigger a [graceful shutdown][close] of this web

</pre>

<pre>
0.
72.40
072.40       // == 72.40
2.71828
1.e+0
6.67428e-11
1E6
.25
.12345E+5
1_5.         // == 15.0
0.15e+0_2    // == 15.0

0x1p-2       // == 0.25
0x2.p10      // == 2048.0
0x1.Fp+0     // == 1.9375
0X.8p-0      // == 0.5
0X_1FFFP-16  // == 0.1249847412109375
0x15e-2      // == 0x15e - 2 (integer subtraction)

0x.p1        // invalid: mantissa has no digits