World.bin.dir: def of ezx@1.11.0.0
Import: import ezx@1.11.0.0/src/tool/world.bend as World
Lines 144-148 of ezx@1.11.0.0/src/tool/world.bend: https://jend.leeeet.dev/read.txt?path=ezx@1.11.0.0/src/tool/world.bend&start_line=144&end_line=148

import Base

# where an installed command is linked: `$EZ_TOOL_BIN` when it is set,
# otherwise `$XDG_BIN_HOME`, otherwise `$HOME/.local/bin`, an empty value
# counting as unset; None when all three are empty (EZ-TOOL-1)
def bin.dir(+ez: String, +xdg: String, +home: String) -> Maybe<&2, String>:
  Bool.pick(Maybe<&2, String>, String.is_empty(ez), bin.xdg(xdg, home), Some{ez})

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.pick
  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.is_empty
  https://jend.leeeet.dev/definition.txt?path=ezx@1.11.0.0/src/tool/world.bend&name=bin.xdg