/** @covers YaLinqo\Enumerable::generate */ function testGenerate_meaningful() { // Partial sums $this->assertEnumEquals([0, 1, 3, 6, 10, 15], E::generate('$k+$v', 0, null, 0)->skip(1)->toValues(), 6); // Fibonacci $this->assertEnumEquals([1, 1, 2, 3, 5, 8], E::generate('[ $v[1], $v[0]+$v[1] ]', [0, 1])->select('$v[1]'), 6); // Fibonacci $this->assertEnumEquals([1, 1, 2, 3, 5, 8], E::generate('$k+$v', 1, '$v', 1)->toKeys(), 6); }
/** @covers YaLinqo\Enumerable::generate */ function testGenerate_meaningful() { // Partial sums $this->assertEnumEquals(array(0, 1, 3, 6, 10, 15), E::generate('$k+$v', 0, null, 0)->skip(1)->toValues(), 6); // Fibonacci $this->assertEnumEquals(array(1, 1, 2, 3, 5, 8), E::generate('array($v[1], $v[0]+$v[1])', array(0, 1))->select('$v[1]'), 6); // Fibonacci $this->assertEnumEquals(array(1, 1, 2, 3, 5, 8), E::generate('$k+$v', 1, '$v', 1)->toKeys(), 6); }
var_dump(Enumerable::repeat('e', INF)->take(2)->toArray()); var_dump(Enumerable::generate(function ($v, $k) { return $k * $k - $v * 2; })->take(20)->toArray()); var_dump(Enumerable::generate(function ($v, $k) { return $v + $k; }, 1, function ($v) { return $v; }, 1)->take(10)->toArray()); var_dump(Enumerable::generate(function ($v) { return array($v[1], $v[0] + $v[1]); }, array(1, 1), function ($v) { return $v[1]; }, 1)->toKeys()->take(10)->toArray()); var_dump(Enumerable::generate(function ($v, $k) { return pow(-1, $k) / (2 * $k + 1); }, 0)->take(1000)->sum() * 4); var_dump(Enumerable::toInfinity()->take(999)->sum(function ($k) { return pow(-1, $k) / (2 * $k + 1); }) * 4); echo "Lambdas\n"; var_dump(from(array(1, 2, 3, 4, 5, 6))->where('$v ==> $v > 3')->select('$v ==> $v*$v')->toArray()); var_dump(from(array(1, 2, 3, 4, 5, 6))->where('($v) ==> $v > 3')->select('$v, $k ==> $v+$k')->toArray()); var_dump(from(array(1, 2, 3, 4, 5, 6))->where('($v) ==> { echo $v; return $v > 3; }')->select('($v, $k) ==> { return $v*2+$k*3; }')->toArray()); var_dump(from(array(1, 2, 3, 4, 5, 6))->where('$v > 2')->where('$v>3')->select('$v+$k')->toArray()); var_dump(Enumerable::split('1 2 3 4 5 6', '# #')->toArray()); var_dump(Enumerable::matches('1 2 3 4 5 6', '#\\d+#')->select('$v[0]')->maxBy(Functions::$compareStrict)); var_dump(from(array(1, 2))->selectMany('$v ==> array(1, 2)', '"$v1 $v2"', '"$k1 $k2"')->toArray()); var_dump(from(array(1, 2))->selectMany('$v ==> array(1, 2)', '"$k1=$v1 $k2=$v2"')->toArray()); var_dump(from(array(1, 2))->selectMany('$v ==> array(1, 2)', 'array($v1, $v2)')->toArray()); var_dump(from(array(1, 2))->selectMany('$v ==> array()', '"$v1 $v2"', '"$k1 $k2"')->toArray());