Expose compile-time feature flags as public constants

2 files changed, 83 insertions, 0 deletions

diff --git a/mingling/src/features.rs b/mingling/src/features.rs
new file mode 100644
index 0000000..d75f926
--- /dev/null
+++ b/mingling/src/features.rs
@@ -0,0 +1,53 @@
+#[cfg(not(feature = "nightly"))]
+pub const MINGLING_NIGHTLY: bool = false;
+
+#[cfg(feature = "nightly")]
+pub const MINGLING_NIGHTLY: bool = true;
+
+#[cfg(not(feature = "debug"))]
+pub const MINGLING_DEBUG: bool = false;
+
+#[cfg(feature = "debug")]
+pub const MINGLING_DEBUG: bool = true;
+
+#[cfg(not(feature = "async"))]
+pub const MINGLING_ASYNC: bool = false;
+
+#[cfg(feature = "async")]
+pub const MINGLING_ASYNC: bool = true;
+
+#[cfg(not(feature = "clap"))]
+pub const MINGLING_CLAP: bool = false;
+
+#[cfg(feature = "clap")]
+pub const MINGLING_CLAP: bool = true;
+
+#[cfg(not(feature = "dispatch_tree"))]
+pub const MINGLING_DISPATCH_TREE: bool = false;
+
+#[cfg(feature = "dispatch_tree")]
+pub const MINGLING_DISPATCH_TREE: bool = true;
+
+#[cfg(not(feature = "general_renderer"))]
+pub const MINGLING_GENERAL_RENDERER: bool = false;
+
+#[cfg(feature = "general_renderer")]
+pub const MINGLING_GENERAL_RENDERER: bool = true;
+
+#[cfg(not(feature = "repl"))]
+pub const MINGLING_REPL: bool = false;
+
+#[cfg(feature = "repl")]
+pub const MINGLING_REPL: bool = true;
+
+#[cfg(not(feature = "comp"))]
+pub const MINGLING_COMP: bool = false;
+
+#[cfg(feature = "comp")]
+pub const MINGLING_COMP: bool = true;
+
+#[cfg(not(feature = "parser"))]
+pub const MINGLING_PARSER: bool = false;
+
+#[cfg(feature = "parser")]
+pub const MINGLING_PARSER: bool = true;
diff --git a/mingling/src/lib.rs b/mingling/src/lib.rs
index f366296..21a848d 100644
--- a/mingling/src/lib.rs
+++ b/mingling/src/lib.rs
@@ -137,3 +137,33 @@ pub use mingling_macros::Groupped;
 pub mod _mingling_examples {
     pub use crate::example_docs::*;
 }
+
+mod features;
+pub mod feature {
+    /// Whether the `async` feature is enabled
+    pub use crate::features::MINGLING_ASYNC;
+
+    /// Whether the `clap` feature is enabled
+    pub use crate::features::MINGLING_CLAP;
+
+    /// Whether the `comp` feature is enabled
+    pub use crate::features::MINGLING_COMP;
+
+    /// Whether the `debug` feature is enabled
+    pub use crate::features::MINGLING_DEBUG;
+
+    /// Whether the `dispatch_tree` feature is enabled
+    pub use crate::features::MINGLING_DISPATCH_TREE;
+
+    /// Whether the `general_renderer` feature is enabled
+    pub use crate::features::MINGLING_GENERAL_RENDERER;
+
+    /// Whether the `nightly` feature is enabled
+    pub use crate::features::MINGLING_NIGHTLY;
+
+    /// Whether the `parser` feature is enabled
+    pub use crate::features::MINGLING_PARSER;
+
+    /// Whether the `repl` feature is enabled
+    pub use crate::features::MINGLING_REPL;
+}