Module: Klam::Primitives::Interop

Included in:
Environment
Defined in:
lib/klam/primitives/interop.rb

Overview

Primitives for interoperation with the host Ruby environment. These are not official KLambda primitives.

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.uncurry(blk) ⇒ Object 



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# File 'lib/klam/primitives/interop.rb', line 44

def uncurry(blk)
  lambda do |*args|
    args.reduce(blk) { |f, x| f.call(x) }
  end
end

Instance Method Details

#rb_const(name) ⇒ Object Also known as: rb-const 



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# File 'lib/klam/primitives/interop.rb', line 27

def rb_const(name)
  parts = name.to_s.split('::')
  parts.shift if parts.first.empty?
  parts.reduce(::Module) do |m, x|
    m.const_get(x)
  end
end

#rb_send(obj, method_name, *args) ⇒ Object Also known as: rb-send 



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# File 'lib/klam/primitives/interop.rb', line 6

def rb_send(obj, method_name, *args)
  obj.send(method_name, *args)
end

#rb_send_block(obj, method_name, blk, *args) ⇒ Object Also known as: rb-send-block 



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# File 'lib/klam/primitives/interop.rb', line 12

def rb_send_block(obj, method_name, blk, *args)
  if blk.instance_of?(::Symbol)
    # The caller won't take advantage of the currying, but we already
    # are tracking the curried form. This also allows for paritial
    # application of the named function, which could be interesting.
    blk = @curried_methods[blk]
  else
    blk = ::Klam::Primitives::Interop.uncurry(blk)
  end
  obj.send(method_name, *args, &blk)
end