module Kernel
Public Instance Methods
silence_warnings(&block)
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Runs a block of code without warnings.
# File lib/epubforge/core_extensions/kernel.rb, line 23 def silence_warnings(&block) warn_level = $VERBOSE $VERBOSE = nil result = block.call $VERBOSE = warn_level result end
with_locals(locals = {}) { || ... }
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yields an alternate reality block where instance methods are different from what they were. At the end of the block it resets the initial values of the instance variables.
# File lib/epubforge/core_extensions/kernel.rb, line 5 def with_locals locals = {}, &block old_local_vars = {} for k, v in locals var = :"@#{k}" old_local_vars[k] = instance_variable_get(var) instance_variable_set( var, v ) end yield ensure # make all as it once was for k, v in old_local_vars var = :"@#{k}" instance_variable_set( var, v ) end end