Out.keep_err: def of cswap-bend-cli@0.1.0.0
Import: import cswap-bend-cli@0.1.0.0/fmt/out.bend as Out
Lines 133-134 of cswap-bend-cli@0.1.0.0/fmt/out.bend: https://jend.leeeet.dev/read.txt?path=cswap-bend-cli@0.1.0.0/fmt/out.bend&start_line=133&end_line=134

import Base

def keep_err(code: U32, out: String, err: String) -> String:
  Bool.pick(String, U32.is_eq(code, 0) && Bool.not(String.is_empty(String.trim(out))), err, "")

Uses (8):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.and
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.not
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.pick
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String.is_empty
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String.trim
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.is_eq