diff options
author | Boris Kolpackov <boris@codesynthesis.com> | 2016-11-23 14:58:30 +0200 |
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committer | Boris Kolpackov <boris@codesynthesis.com> | 2016-11-23 14:58:30 +0200 |
commit | 79cb3221c2babe6f560f2e3e463e899631a32b33 (patch) | |
tree | 2135159931dde6acde213d6e8de1bdbd06d222d4 /build2/functions-builtin.cxx | |
parent | c6265603e0e98c19f8d81c8edd5a34a550063c02 (diff) |
Implement few builtin functions that can operate on any value
type()
null()
empty ()
identity()
Diffstat (limited to 'build2/functions-builtin.cxx')
-rw-r--r-- | build2/functions-builtin.cxx | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/build2/functions-builtin.cxx b/build2/functions-builtin.cxx new file mode 100644 index 0000000..448bb53 --- /dev/null +++ b/build2/functions-builtin.cxx @@ -0,0 +1,24 @@ +// file : build2/functions-builtin.cxx -*- C++ -*- +// copyright : Copyright (c) 2014-2016 Code Synthesis Ltd +// license : MIT; see accompanying LICENSE file + +#include <build2/function> +#include <build2/variable> + +using namespace std; + +namespace build2 +{ + void + builtin_functions () + { + function_family f ("builtin"); + + f["type"] = [](value* v) {return v->type != nullptr ? v->type->name : "";}; + + f["null"] = [](value* v) {return v->null;}; + f["empty"] = [](value v) {return v.empty ();}; + + f["identity"] = [](value* v) {return move (*v);}; + } +} |