summaryrefslogtreecommitdiff
path: root/vendor/autocfg/examples
diff options
context:
space:
mode:
Diffstat (limited to 'vendor/autocfg/examples')
-rw-r--r--vendor/autocfg/examples/integers.rs9
-rw-r--r--vendor/autocfg/examples/paths.rs22
-rw-r--r--vendor/autocfg/examples/traits.rs26
-rw-r--r--vendor/autocfg/examples/versions.rs9
4 files changed, 66 insertions, 0 deletions
diff --git a/vendor/autocfg/examples/integers.rs b/vendor/autocfg/examples/integers.rs
new file mode 100644
index 0000000..23d4cba
--- /dev/null
+++ b/vendor/autocfg/examples/integers.rs
@@ -0,0 +1,9 @@
+extern crate autocfg;
+
+fn main() {
+ // Normally, cargo will set `OUT_DIR` for build scripts.
+ let ac = autocfg::AutoCfg::with_dir("target").unwrap();
+ for i in 3..8 {
+ ac.emit_has_type(&format!("i{}", 1 << i));
+ }
+}
diff --git a/vendor/autocfg/examples/paths.rs b/vendor/autocfg/examples/paths.rs
new file mode 100644
index 0000000..b7a6ca7
--- /dev/null
+++ b/vendor/autocfg/examples/paths.rs
@@ -0,0 +1,22 @@
+extern crate autocfg;
+
+fn main() {
+ // Normally, cargo will set `OUT_DIR` for build scripts.
+ let ac = autocfg::AutoCfg::with_dir("target").unwrap();
+
+ // since ancient times...
+ ac.emit_has_path("std::vec::Vec");
+ ac.emit_path_cfg("std::vec::Vec", "has_vec");
+
+ // rustc 1.10.0
+ ac.emit_has_path("std::panic::PanicInfo");
+ ac.emit_path_cfg("std::panic::PanicInfo", "has_panic_info");
+
+ // rustc 1.20.0
+ ac.emit_has_path("std::mem::ManuallyDrop");
+ ac.emit_path_cfg("std::mem::ManuallyDrop", "has_manually_drop");
+
+ // rustc 1.25.0
+ ac.emit_has_path("std::ptr::NonNull");
+ ac.emit_path_cfg("std::ptr::NonNull", "has_non_null");
+}
diff --git a/vendor/autocfg/examples/traits.rs b/vendor/autocfg/examples/traits.rs
new file mode 100644
index 0000000..c1ca003
--- /dev/null
+++ b/vendor/autocfg/examples/traits.rs
@@ -0,0 +1,26 @@
+extern crate autocfg;
+
+fn main() {
+ // Normally, cargo will set `OUT_DIR` for build scripts.
+ let ac = autocfg::AutoCfg::with_dir("target").unwrap();
+
+ // since ancient times...
+ ac.emit_has_trait("std::ops::Add");
+ ac.emit_trait_cfg("std::ops::Add", "has_ops");
+
+ // trait parameters have to be provided
+ ac.emit_has_trait("std::borrow::Borrow<str>");
+ ac.emit_trait_cfg("std::borrow::Borrow<str>", "has_borrow");
+
+ // rustc 1.8.0
+ ac.emit_has_trait("std::ops::AddAssign");
+ ac.emit_trait_cfg("std::ops::AddAssign", "has_assign_ops");
+
+ // rustc 1.12.0
+ ac.emit_has_trait("std::iter::Sum");
+ ac.emit_trait_cfg("std::iter::Sum", "has_sum");
+
+ // rustc 1.28.0
+ ac.emit_has_trait("std::alloc::GlobalAlloc");
+ ac.emit_trait_cfg("std::alloc::GlobalAlloc", "has_global_alloc");
+}
diff --git a/vendor/autocfg/examples/versions.rs b/vendor/autocfg/examples/versions.rs
new file mode 100644
index 0000000..992919b
--- /dev/null
+++ b/vendor/autocfg/examples/versions.rs
@@ -0,0 +1,9 @@
+extern crate autocfg;
+
+fn main() {
+ // Normally, cargo will set `OUT_DIR` for build scripts.
+ let ac = autocfg::AutoCfg::with_dir("target").unwrap();
+ for i in 0..100 {
+ ac.emit_rustc_version(1, i);
+ }
+}