Sha256: 9309e6a3a572fe9b2238b2a4f0b844c755537292cf386c892dc92023874eba00
Contents?: true
Size: 519 Bytes
Versions: 10
Compression:
Stored size: 519 Bytes
Contents
module Kernel
# Temporarily set variables while yielding a block, then return the
# variables to their original settings when complete.
#
# temporarily('$VERBOSE'=>false) do
# $VERBOSE.assert == false
# end
#
def temporarily(settings) #:yield:
cache = {}
settings.each do |var, val|
cache[var] = eval("#{var}")
eval("proc{ |v| #{var} = v }").call(val)
end
yield
ensure
cache.each do |var, val|
eval("proc{ |v| #{var} = v }").call(val)
end
end
end
Version data entries
10 entries across 9 versions & 2 rubygems