Disk.is_dir: def of bolt@1.27.0.0
Import: import bolt@1.27.0.0/src/walk/disk.bend as Disk
Lines 66-72 of bolt@1.27.0.0/src/walk/disk.bend: https://jend.leeeet.dev/read.txt?path=bolt@1.27.0.0/src/walk/disk.bend&start_line=66&end_line=72

import Base

# whether a path is a directory: it opens, and reading it fails as a
# directory's read does. Base's File has no stat, and a directory opens for
# reading on both lanes.
def is_dir(path: String) -> IO(Bool):  # noqa: L001 disk effect
  do IO<Bool>:
    r : Result<&1, &1, U32 & String, File> <- File.open(path, "r")
    is_dir.opened(r)

Uses (10):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=File
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=File.open
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=IO
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=IO.bind
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Pair
  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=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=bolt@1.27.0.0/src/walk/disk.bend&name=is_dir.opened