PHP Laiz\Func Loader示例

示例#1

文件： Functor.php 项目： nishimura/laiz-monad

function fmap(...$args)
{
    $f = function (callable $f, $a) {
        return Loader::callInstanceMethod($a, 'fmap', $f, $a);
    };
    if (count($args) === 2) {
        return $f(...$args);
    } else {
        return f($f, ...$args);
    }
}

示例#2

文件： Applicative.php 项目： nishimura/laiz-monad

function ap(...$args)
{
    $f = function ($f, $g) {
        return Loader::callInstanceMethod($f, 'ap', $f, $g);
    };
    if (count($args) === 2) {
        return $f(...$args);
    } else {
        return f($f, ...$args);
    }
}

示例#3

文件： Any.php 项目： nishimura/laiz-monad

 public function cast($m)
 {
     if (is_object($m) || is_string($m) || is_array($m)) {
         $args = [];
         if (!$this->value instanceof Nul) {
             $args[] = $this->value;
         }
         $ret = Loader::callInstanceMethod($m, $this->op, ...$args);
         return $this->opsFold($ret);
     }
     throw new \Exception('Unsupported cast [' . gettype($m) . ']');
 }

示例#4

文件： Monad.php 项目： nishimura/laiz-monad

function bind(...$args)
{
    $f = function ($m, callable $f) {
        $ret = Loader::callInstanceMethod($m, 'bind', $m, $f);
        if ($ret instanceof Any) {
            $ret = $ret->cast($m);
        }
        return $ret;
    };
    if (count($args) === 2) {
        return $f(...$args);
    } else {
        return f($f, ...$args);
    }
}

示例#5

文件： MonadPlus.php 项目： nishimura/laiz-monad

function mplus(...$args)
{
    $f = function ($m1, $m2) {
        if ($m1 instanceof Any && !$m2 instanceof Any) {
            $m1 = $m1->cast($m2);
        } else {
            if ($m2 instanceof Any && !$m1 instanceof Any) {
                $m2 = $m2->cast($m1);
            }
        }
        return Loader::callInstanceMethod($m1, 'mplus', $m1, $m2);
    };
    if (count($args) === 2) {
        return $f(...$args);
    } else {
        return f($f, ...$args);
    }
}

示例#6

文件： CallTrait.php 项目： nishimura/laiz-monad

 public function __call($name, $args)
 {
     $methods = ['ret', 'mempty', 'mzero', 'pure'];
     // $self = $this;
     // if ($self instanceof Any &&
     //     isset($args[0]) &&
     //     !($args[0] instanceof Any))
     //     $self = $self->cast($args[0]);
     // else if (isset($args[0]) &&
     //          $args[0] instanceof Any &&
     //          !($self instanceof Any))
     //     $args[0] = $args[0]->cast($self);
     if (in_array($name, $methods)) {
         return Loader::callFunction($name, ...$args);
     }
     array_unshift($args, $this);
     return Loader::callFunction($name, ...$args);
 }

示例#7

文件： functions.php 项目： nishimura/laiz-monad

<?php

namespace Laiz\Func;

use Laiz\Func;
use Laiz\Func\Any;
use Laiz\Func\Unit;
Loader::load();
function c(callable $f)
{
    return new Func\Curry($f);
}
function f(callable $f, ...$args)
{
    if (!$f instanceof Func\Func) {
        $f = new Func\Func($f);
    }
    if ($args) {
        $f = $f(...$args);
    }
    return $f;
}
// Func
function compose(...$args)
{
    return f(function (callable $g, callable $f, $a) {
        return $g($f($a));
    }, ...$args);
}
function id(...$args)
{

示例#8

文件： AnyTest2.php 项目： nishimura/laiz-monad

<?php

namespace Laiz\Test\Func;

use Laiz\Func;
\Laiz\Func\Loader::load();
class AnyTest extends \PHPUnit_Framework_TestCase
{
    public function testWriterMonad()
    {
        $ret = runWriter(ret(1)->bind(function ($_) {
            return ret(2);
        })->bind(function ($a) {
            return tell("a")->bind(function ($_) use($a) {
                return ret($a + 5);
            });
        }));
        $this->assertEquals([7, "a"], $ret);
    }
}