Multipart.encode: def of bend-kit-multipart@0.3.0.0
Import: import bend-kit-multipart@0.3.0.0/multipart.bend as Multipart
Lines 290-293 of bend-kit-multipart@0.3.0.0/multipart.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-multipart@0.3.0.0/multipart.bend&start_line=290&end_line=293

import Base
import bend-kit-bytes@0.3.3.0/bytes.bend as Bytes

# The body for parts under boundary b (RFC 7578 §4.1). Fails when b is not a valid boundary,
# b's delimiter occurs in a body, or a Content-Type holds CR or LF.
def encode(+b: String, parts: List<&1, Part>) -> Result<&1, &1, String, Bytes.Bytes>:
  encode.if(boundary.ok(b), b, parts)

Uses (7):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Result
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=bend-kit-bytes@0.3.3.0/bytes.bend&name=Bytes
  https://jend.leeeet.dev/definition.txt?path=bend-kit-multipart@0.3.0.0/multipart.bend&name=Part
  https://jend.leeeet.dev/definition.txt?path=bend-kit-multipart@0.3.0.0/multipart.bend&name=boundary.ok
  https://jend.leeeet.dev/definition.txt?path=bend-kit-multipart@0.3.0.0/multipart.bend&name=encode.if