Next-generation IDE for functional programming

superlamda.py

# Next-generation IDE for functional programming
# Run it, and press any key to start writing code.
# It will automatically exit when you're done writing your function.

# Work in progress, currently supports factorial

import sys

factorial = 'fac n = if n > 1 then n * (fac (n - 1)) else 1'.split()

# Copied from rosettacode.org: http://rosettacode.org/wiki/Keyboard_input/Keypress_check#Python
try:
    from msvcrt import getch  # try to import Windows version
except ImportError:
    def getch():   # define non-Windows version
        import sys, tty, termios
        fd = sys.stdin.fileno()
        old_settings = termios.tcgetattr(fd)
        try:
            tty.setraw(sys.stdin.fileno())
            ch = sys.stdin.read(1)
        finally:
            termios.tcsetattr(fd, termios.TCSADRAIN, old_settings)
        return ch


for code in factorial:
    getch()
    print code,