def _until_demo():
"""
demonstrate the until function
"""
print("get until what?")
char = pmlr._read_keypress()
pmlr._writer(char + "\n")
y = pmlr.until(char)
print("\n" + y)
def _forth_syntax_test():
"""
in the programming language Forth,
`function` definitons start at the beginning of a line with a `:` colon
and go until the next semicolon.
this is an example of how this module can be used
in a Forth REPL to compile statements specially;
it's implemented in catb0t/microcat as well.
"""
pmlr._writer("demo FORTH repl \n> ")
firstchar = pmlr._read_keypress()
pmlr._writer(firstchar)
if firstchar != ":":
print("\nreturned because first char wasn't ':'")
return
defn = firstchar + pmlr.until(";") + ";"
pmlr._writer("\nrepl got:\n" + defn + "\n")