Echo.pair.cut: def of emerging-ezhttp@0.21.0.0
Import: import emerging-ezhttp@0.21.0.0/src/echo.bend as Echo
Lines 44-53 of emerging-ezhttp@0.21.0.0/src/echo.bend: https://jend.leeeet.dev/read.txt?path=emerging-ezhttp@0.21.0.0/src/echo.bend&start_line=44&end_line=53

import Base
import emerging-ezhttp@0.21.0.0/src/qs.bend as Qs

# the name-value-pair cut at its first `=`: none without one (§5.2 step 2),
# else the name before it and the value after it, each without leading and
# trailing WSP (steps 3, 4)
def pair.cut(m: Maybe<&2, Qs.Kv()>) -> Maybe<&2, Qs.Kv()>:
  match m:
    case None{}:
      None{}
    case Some{(before, after)}:
      +name = wsp.trim(before)
      pair.named(name, wsp.trim(after), String.is_empty(name))

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Sigma
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String.is_empty
  https://jend.leeeet.dev/definition.txt?path=emerging-ezhttp@0.21.0.0/src/echo.bend&name=pair.named
  https://jend.leeeet.dev/definition.txt?path=emerging-ezhttp@0.21.0.0/src/echo.bend&name=wsp.trim
  https://jend.leeeet.dev/definition.txt?path=emerging-ezhttp@0.21.0.0/src/qs.bend&name=Kv