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Contents
module RightSupport::Ruby
module ObjectExtensions
# Attempt to require one or more source files.
#
# This method is useful to conditionally define code depending on the availability
# of gems or standard-library source files.
#
# === Parameters
# Forwards all parameters transparently through to Kernel#require.
#
# === Return
# Returns true or false
def require_succeeds?(*args)
require(*args)
return true
rescue LoadError => e
return false
end
# Attempt to require one or more source files; if the require succeeds (or
# if the files have already been successfully required), yield to the block.
#
# This method is useful to conditionally define code depending on the availability
# of gems or standard-library source files.
#
# === Parameters
# Forwards all parameters transparently through to Kernel#require.
#
# === Block
# The block will be called if the require succeeds (if it does not raise LoadError).
#
# === Return
# Preserves the return value of Kernel#require (generally either true or false).
def if_require_succeeds(*args)
result = require(*args)
yield if block_given?
return result
rescue LoadError => e
return false
end
end
end
class Object
include RightSupport::Ruby::ObjectExtensions
end
Version data entries
7 entries across 7 versions & 1 rubygems