Merge branch 'is_unpackable'

2026-02-01 08:32:12 +00:00 · 2015-05-09 22:54:06 -05:00
parent bf3dc86caf 1969dab374
commit fca76af2c3
5 changed files with 170 additions and 9 deletions
--- a/doc/src/unpack.md
+++ b/doc/src/unpack.md
@@ -40,6 +40,23 @@ Example
    assert(r == 5);


+is_unpackable
+=============
+
+This is a trait that can be used to detect whethet the type can be called
+with `unpack`.
+
+Synopsis
+--------
+
+    template<class T>
+    struct is_unpackable;
+
+Example
+-------
+
+    static_assert(fit::is_unpackable<std::tuple<int>>::value, "Failed");
+
 unpack_sequence
 ===============