Squashed 'third_party/immer/' content from commit ad3e3556d

git-subtree-dir: third_party/immer
git-subtree-split: ad3e3556d38bb75966dd24c61a774970a7c7957e

1 files changed, 51 insertions, 0 deletions

diff --git a/extra/guile/example.scm b/extra/guile/example.scm
new file mode 100644
index 000000000000..6649508cedc3
--- /dev/null
+++ b/extra/guile/example.scm
@@ -0,0 +1,51 @@
+;;
+;; immer: immutable data structures for C++
+;; Copyright (C) 2016, 2017, 2018 Juan Pedro Bolivar Puente
+;;
+;; This software is distributed under the Boost Software License, Version 1.0.
+;; See accompanying file LICENSE or copy at http://boost.org/LICENSE_1_0.txt
+;;
+
+;; include:intro/start
+(use-modules (immer)
+             (rnrs base))
+
+(let ((v1 (ivector 1 "hola" 3 'que #:tal)))
+  (assert (eq? (ivector-ref v1 3) 'que))
+
+  (let* ((v2 (ivector-set v1 3 'what))
+         (v2 (ivector-update v2 2 (lambda (x) (+ 1 x)))))
+    (assert (eq? (ivector-ref v1 2) 3))
+    (assert (eq? (ivector-ref v1 3) 'que))
+    (assert (eq? (ivector-ref v2 2) 4))
+    (assert (eq? (ivector-ref v2 3) 'what))
+
+    (let ((v3 (ivector-push v2 "hehe")))
+      (assert (eq? (ivector-length v3) 6))
+      (assert (eq? (ivector-ref v3 (- (ivector-length v3) 1)) "hehe")))))
+
+(let ((v (apply ivector (iota 10))))
+  (assert (eq? (ivector-length v) 10))
+  (assert (eq? (ivector-length (ivector-drop v 3)) 7))
+  (assert (eq? (ivector-length (ivector-take v 3)) 3))
+  (assert (eq? (ivector-length (ivector-append v v)) 20)))
+
+(let ((v1 (make-ivector 3))
+      (v2 (make-ivector 3 ":)")))
+  (assert (eq? (ivector-ref v1 2)
+               (vector-ref (make-vector 3) 2)))
+  (assert (eq? (ivector-ref v2 2) ":)")))
+;; include:intro/end
+
+;; Experiments
+
+(let ((d (dummy)))
+  (dummy-foo d)
+  (dummy-bar d 42))
+(gc)
+
+(func1)
+(func2)
+(func3 (dummy) 12)
+(foo-func1)
+(gc)