roberthoenig

struct Fibonacci{I}
  first::I
  second::I
end 

function Base.iterate(iter::Fibonacci, state=nothing)
   if state == nothing
       iter.first, (iter.first, nothing)
   elseif state[2] == nothing
       iter.second, (iter.first, iter.second)

roberthoenig

# Define a strict Y combinator function.
Y = (f) -> ((x)->(f((y)->((x(x))(y)))))(
  (x)->(f((y)->((x(x))(y))))
)

# Use the Y combinator the implement a factorial function.
factorialbasefunc = (f) -> ((n)->(n==0 ? 1 : n*f(n-1)))
factorial = Y(factorialbasefunc)

println(factorial(5))  # 120

roberthoenig

• Google hangouts bot (e.g. "@hangouts call" would post a link for others to join)

• lunch bot (similar to https://lunchtrain.builtbyslack.com/): user creates lunch event; others subscribe with PMs to the bot; lunch bot updates the original lunch event

• game bots! chess, merels, four in a row, hangman (hangman was actually a proposal during last GCI)

• RSS feed bot

• GMail bot

roberthoenig

These are messages you can directly use for responding to many common git questions.

Updating master

Enter the following commands one by one into your command line:
```.sh
git checkout master
git fetch upstream
git rebase upstream/master
```

roberthoenig

import sys

from typing import Any, List

# Parse input string into a list of all parentheses and atoms (int or str),
# exclude whitespaces.
def normalize_str(string: str) -> List[str]:
    str_norm = []
    last_c = None
    for c in string:

roberthoenig

#include <iostream>
#include <stdexcept>
#include <vector>

enum State {
    RUNNING,
    DRAW,
    VICTORY_P1,
    VICTORY_P2
};

roberthoenig

Note

The ideas mentioned here mostly originated from discussions on the Zulip chat Feel free to discuss their implementation there, or add improvements of these ideas, or new ideas in the comments.

Structuring proposals

Rename contrib_bots