Add "node_modules" to .gitignore. Clarify how head() works. Add pop() method. #28
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The head() method was implemented so that it does NOT remove the top value of the list. This refactor makes that more clear, and adds tests to document that behavior. This commit should not change the behavior of head() at all.
The head() method looks at the top value, but does not remove it from the lazy list. The new method, pop(), will remove the value. lazy.pop(f) == lazy.head(f); lazy.skip(1)
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I wanted to use this library, but was pretty confused by how
head()works. The tests did not really clarify anything.So, I added tests to document how
head()works and simplified the implementation. Turns out it doesn't affect the list, so I addedpop()(which does).Thanks for a really helpful library!