37 lines
1.3 KiB
PHP
37 lines
1.3 KiB
PHP
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<?php
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/*
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2008, 2009, StatusNet, Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* PHP 5.3 implementation of function currying, using native closures.
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* On 5.2 and lower we use the fallback implementation in util.php
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*
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* @param callback $fn
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* @param ... any remaining arguments will be appended to call-time params
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* @return callback
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*/
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function curry($fn) {
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$extra_args = func_get_args();
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array_shift($extra_args);
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return function() use ($fn, $extra_args) {
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$args = func_get_args();
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return call_user_func_array($fn,
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array_merge($args, $extra_args));
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};
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}
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