Method emit_section

test/fixtures/wpt/wasm/jsapi/wasm-module-builder.js:778–789

(section_code, content_generator)

  }

  emit_section(section_code, content_generator) {
    // Emit section name.
    this.emit_u8(section_code);
    // Emit the section to a temporary buffer: its full length isn't know yet.
    const section = new Binary;
    content_generator(section);
    // Emit section length.
    this.emit_u32v(section.length);
    // Copy the temporary buffer.
    // Avoid spread because {section} can be huge.
    this.emit_bytes(section.trunc_buffer());
  }
}

class WasmFunctionBuilder {