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Contents
# frozen_string_literal: true
module Kernel
module_function
# Sets $VERBOSE to +nil+ for the duration of the block and back to its original
# value afterwards.
#
# silence_warnings do
# value = noisy_call # no warning voiced
# end
#
# noisy_call # warning voiced
def silence_warnings(&block)
with_warnings(nil, &block)
end
# Sets $VERBOSE to +true+ for the duration of the block and back to its
# original value afterwards.
def enable_warnings(&block)
with_warnings(true, &block)
end
# Sets $VERBOSE for the duration of the block and back to its original
# value afterwards.
def with_warnings(flag)
old_verbose, $VERBOSE = $VERBOSE, flag
yield
ensure
$VERBOSE = old_verbose
end
# Blocks and ignores any exception passed as argument if raised within the block.
#
# suppress(ZeroDivisionError) do
# 1/0
# puts 'This code is NOT reached'
# end
#
# puts 'This code gets executed and nothing related to ZeroDivisionError was seen'
def suppress(*exception_classes)
yield
rescue *exception_classes
end
end
Version data entries
91 entries across 87 versions & 13 rubygems