sketch of ideas behind with_block method for Ruby-like blocks in R
Add block to the formals of the function in with_block
Better examples and suggestion of block_given injection
Working with_block method without local passing
Add failing test for local passing in blocks
Ability to pass locals to blocks
Working local passing with nested block applications
test a more extensive block-calling example and block_given() helper
sneak in pp
Merge pull request #1 from robertzk/with_block

With block