$ fq -d wasm dv elem-18.wasm
    |00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef|.{}: elem-18.wasm (wasm) 0x0-0x37.7 (56)
0x00|00 61 73 6d                                    |.asm            |  magic: raw bits (valid) 0x0-0x3.7 (4)
0x00|            01 00 00 00                        |    ....        |  version: 1 0x4-0x7.7 (4)
    |                                               |                |  sections[0:5]: 0x8-0x37.7 (48)
    |                                               |                |    [0]{}: section 0x8-0xd.7 (6)
0x00|                        01                     |        .       |      id: "type section" (1) 0x8-0x8.7 (1)
0x00|                           04                  |         .      |      size: 4 0x9-0x9.7 (1)
    |                                               |                |      content{}: 0xa-0xd.7 (4)
    |                                               |                |        ft{}: 0xa-0xd.7 (4)
0x00|                              01               |          .     |          n: 1 0xa-0xa.7 (1)
    |                                               |                |          x[0:1]: 0xb-0xd.7 (3)
    |                                               |                |            [0]{}: ft 0xb-0xd.7 (3)
0x00|                                 60            |           `    |              tag: 0x60 (valid) 0xb-0xb.7 (1)
    |                                               |                |              rt1{}: 0xc-0xc.7 (1)
0x00|                                    00         |            .   |                n: 0 0xc-0xc.7 (1)
    |                                               |                |                x[0:0]: 0xd-NA (0)
    |                                               |                |              rt2{}: 0xd-0xd.7 (1)
0x00|                                       00      |             .  |                n: 0 0xd-0xd.7 (1)
    |                                               |                |                x[0:0]: 0xe-NA (0)
    |                                               |                |    [1]{}: section 0xe-0x24.7 (23)
0x00|                                          02   |              . |      id: "import section" (2) 0xe-0xe.7 (1)
0x00|                                             15|               .|      size: 21 0xf-0xf.7 (1)
    |                                               |                |      content{}: 0x10-0x24.7 (21)
    |                                               |                |        im{}: 0x10-0x24.7 (21)
0x10|01                                             |.               |          n: 1 0x10-0x10.7 (1)
    |                                               |                |          x[0:1]: 0x11-0x24.7 (20)
    |                                               |                |            [0]{}: im 0x11-0x24.7 (20)
    |                                               |                |              mod{}: 0x11-0x19.7 (9)
0x10|   08                                          | .              |                n: 8 0x11-0x11.7 (1)
0x10|      73 70 65 63 74 65 73 74                  |  spectest      |                b: "spectest" 0x12-0x19.7 (8)
    |                                               |                |              nm{}: 0x1a-0x1f.7 (6)
0x10|                              05               |          .     |                n: 5 0x1a-0x1a.7 (1)
0x10|                                 74 61 62 6c 65|           table|                b: "table" 0x1b-0x1f.7 (5)
    |                                               |                |              d{}: 0x20-0x24.7 (5)
0x20|01                                             |.               |                tag: "table" (0x1) 0x20-0x20.7 (1)
    |                                               |                |                tt{}: 0x21-0x24.7 (4)
0x20|   70                                          | p              |                  et: "funcref" (112) 0x21-0x21.7 (1)
    |                                               |                |                  lim{}: 0x22-0x24.7 (3)
0x20|      01                                       |  .             |                    tag: 0x1 0x22-0x22.7 (1)
0x20|         00                                    |   .            |                    n: 0 0x23-0x23.7 (1)
0x20|            1e                                 |    .           |                    m: 30 0x24-0x24.7 (1)
    |                                               |                |    [2]{}: section 0x25-0x28.7 (4)
0x20|               03                              |     .          |      id: "function section" (3) 0x25-0x25.7 (1)
0x20|                  02                           |      .         |      size: 2 0x26-0x26.7 (1)
    |                                               |                |      content{}: 0x27-0x28.7 (2)
    |                                               |                |        x{}: 0x27-0x28.7 (2)
0x20|                     01                        |       .        |          n: 1 0x27-0x27.7 (1)
    |                                               |                |          x[0:1]: 0x28-0x28.7 (1)
0x20|                        00                     |        .       |            [0]: 0 x 0x28-0x28.7 (1)
    |                                               |                |    [3]{}: section 0x29-0x31.7 (9)
0x20|                           09                  |         .      |      id: "element section" (9) 0x29-0x29.7 (1)
0x20|                              07               |          .     |      size: 7 0x2a-0x2a.7 (1)
    |                                               |                |      element{}: 0x2b-0x31.7 (7)
    |                                               |                |        seg{}: 0x2b-0x31.7 (7)
0x20|                                 01            |           .    |          n: 1 0x2b-0x2b.7 (1)
    |                                               |                |          x[0:1]: 0x2c-0x31.7 (6)
    |                                               |                |            [0]{}: seg 0x2c-0x31.7 (6)
0x20|                                    00         |            .   |              tag: 0 0x2c-0x2c.7 (1)
    |                                               |                |              e[0:2]: 0x2d-0x2f.7 (3)
    |                                               |                |                [0]{}: in 0x2d-0x2e.7 (2)
0x20|                                       41      |             A  |                  i32.const: 0x41 (valid) 0x2d-0x2d.7 (1)
0x20|                                          01   |              . |                  n: 1 0x2e-0x2e.7 (1)
    |                                               |                |                [1]{}: in 0x2f-0x2f.7 (1)
0x20|                                             0b|               .|                  end: 0xb (valid) 0x2f-0x2f.7 (1)
    |                                               |                |              y{}: 0x30-0x31.7 (2)
0x30|01                                             |.               |                n: 1 0x30-0x30.7 (1)
    |                                               |                |                x[0:1]: 0x31-0x31.7 (1)
0x30|   00                                          | .              |                  [0]: 0 y 0x31-0x31.7 (1)
    |                                               |                |    [4]{}: section 0x32-0x37.7 (6)
0x30|      0a                                       |  .             |      id: "code section" (10) 0x32-0x32.7 (1)
0x30|         04                                    |   .            |      size: 4 0x33-0x33.7 (1)
    |                                               |                |      content{}: 0x34-0x37.7 (4)
    |                                               |                |        code{}: 0x34-0x37.7 (4)
0x30|            01                                 |    .           |          n: 1 0x34-0x34.7 (1)
    |                                               |                |          x[0:1]: 0x35-0x37.7 (3)
    |                                               |                |            [0]{}: code 0x35-0x37.7 (3)
0x30|               02                              |     .          |              size: 2 0x35-0x35.7 (1)
    |                                               |                |              code{}: 0x36-0x37.7 (2)
    |                                               |                |                t{}: 0x36-0x36.7 (1)
0x30|                  00                           |      .         |                  n: 0 0x36-0x36.7 (1)
    |                                               |                |                  x[0:0]: 0x37-NA (0)
    |                                               |                |                e[0:1]: 0x37-0x37.7 (1)
    |                                               |                |                  [0]{}: in 0x37-0x37.7 (1)
0x30|                     0b|                       |       .|       |                    end: 0xb (valid) 0x37-0x37.7 (1)