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view arrows/obs_with.m @ 6:0ce3c2070089

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Removed duplicate code and fixed doc in timed_action.
author samer
date Mon, 14 Jan 2013 14:33:37 +0000
parents 672052bd81f8
children
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% obs_with - arrow to observe a signal while passing it through
%
% obs_with ::
%    arrow({A},{},S) ~'arrow sink to observe values of type A',
% -> arrow({A},{A},pair(empty,S)).

function b=obs_with(a), b=dup*first(a); end