Swbase.num_str: def of cswap-bend-cli@0.1.0.0
Import: import cswap-bend-cli@0.1.0.0/swbase.bend as Swbase
Lines 241-247 of cswap-bend-cli@0.1.0.0/swbase.bend: https://jend.leeeet.dev/read.txt?path=cswap-bend-cli@0.1.0.0/swbase.bend&start_line=241&end_line=247

import Base
import cswap-bend-cli@0.1.0.0/json.bend as Json

# A JSON number as its text; None for anything else and for 0 (falsy).
def num_str(+m: Maybe<&2, Json.Json>) -> Maybe<&2, String>:
  match m:
    case Some{Json.JNum{t}}:
      sel_ms(String.eq(t, "0"), None{}, Some{t})
    case _:
      None{}

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String.eq
  https://jend.leeeet.dev/definition.txt?path=cswap-bend-cli@0.1.0.0/json.bend&name=Json
  https://jend.leeeet.dev/definition.txt?path=cswap-bend-cli@0.1.0.0/swbase.bend&name=sel_ms