more concise arg merging

2 files changed, 8 insertions, 9 deletions

diff --git a/it.class b/it.class
index 6e294c3..098e57d 100644
--- a/it.class
+++ b/it.class
@@ -1228,11 +1228,9 @@ static function cat($p = null)
  */
 static function pipe($cmd, ...$args)
 {
-	$values = [];
-	foreach ($args as $arg)
-		$values = array_merge($values, (array)$arg);
+	$args = array_reduce($args, fn($carry, $v) => array_merge($carry, (array)$v), []); # varargs to single arr
 
-	return new it_pipe(is_string($cmd) ? array('cmd' => $cmd, 'args' => $values) : array('data' => $cmd));
+	return new it_pipe(is_string($cmd) ? array('cmd' => $cmd, 'args' => $args) : array('data' => $cmd));
 }
 
 /**
diff --git a/test/it_pipe.t b/test/it_pipe.t
index f6b069a..79c27b2 100755
--- a/test/it_pipe.t
+++ b/test/it_pipe.t
@@ -2,11 +2,12 @@
 <?php
 
 # it::cat frontend
-is(it::cat("test/it_pipe.t")->lines[1],           "<?php");
-is(it::cat(['data' => "foo"])->lines(),           ["foo"]);
-is(it::pipe('echo {x}', ['x' => "foo"])->lines(), ["foo"]);
-is(it::pipe('echo {0}{1}', "f", "oo")->lines(),   ["foo"]);
-is(it::pipe(['foo'])->lines(),                    ["foo"]);
+is(it::cat("test/it_pipe.t")->lines[1],                 "<?php");
+is(it::cat(['data' => "foo"])->lines(),                 ["foo"]);
+is(it::pipe('echo {x}', ['x' => "foo"])->lines(),       ["foo"]);
+is(it::pipe('echo {0}{1}', "f", "oo")->lines(),         ["foo"]);
+is(it::pipe('echo {f}', ['f' => 1, 'f' => 2])->lines(), [2]);
+is(it::pipe(['foo'])->lines(),                          ["foo"]);
 
 # csv()
 is(json_encode((new it_pipe(['data' => ["a\tb", "1\t2"]]))->csv()),      '[{"a":"1","b":"2"}]');