Sha256: 5e8eaeba45358fb969482435bb5168d9e426fc87181c02f06143672badbe6d1d
Contents?: true
Size: 1.18 KB
Versions: 92
Compression:
Stored size: 1.18 KB
Contents
module Kernel
# 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
old_verbose, $VERBOSE = $VERBOSE, nil
yield
ensure
$VERBOSE = old_verbose
end
# Sets $VERBOSE to true for the duration of the block and back to its original value afterwards.
def enable_warnings
old_verbose, $VERBOSE = $VERBOSE, true
yield
ensure
$VERBOSE = old_verbose
end
# For compatibility
def silence_stderr #:nodoc:
silence_stream(STDERR) { yield }
end
# Silences any stream for the duration of the block.
#
# silence_stream(STDOUT) do
# puts 'This will never be seen'
# end
#
# puts 'But this will'
def silence_stream(stream)
old_stream = stream.dup
stream.reopen(RUBY_PLATFORM =~ /mswin/ ? 'NUL:' : '/dev/null')
stream.sync = true
yield
ensure
stream.reopen(old_stream)
end
def suppress(*exception_classes)
begin yield
rescue Exception => e
raise unless exception_classes.any? { |cls| e.kind_of?(cls) }
end
end
end
Version data entries
92 entries across 92 versions & 7 rubygems