Code explainers tagged #blocks

# Binary search using Ruby's built-in Array#bsearch.
#
# There are two modes:
#   1. find-minimum mode  -> block returns true/false (monotonic)

module FileResource
  # Opens a file, yields it to the caller, and guarantees the
  # handle is closed even if the block raises an exception.
  def self.open(path, mode = "r")