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2008 Apr 25
2
Can't Understand Why This Works
I have 3 methods:
def add_to_cart
# do some stuff
redirect_to_index
end
def empty_cart
# do some stuff
redirect_to_index("your cart was emptied")
end
def redirect_to_index(msg = nil)
flash[:notice] = msg if msg
redirect_to :action => :index
end
How come the flash notice works if I''m setting msg = nil? For example,
if I''m in empty_cart and pass