docs: add doc comments for Picker, AsPicker, and ProgramSetup traits

2 files changed, 8 insertions, 0 deletions

diff --git a/mingling/src/parser/picker.rs b/mingling/src/parser/picker.rs
index 601cd3f..ca4561c 100644
--- a/mingling/src/parser/picker.rs
+++ b/mingling/src/parser/picker.rs
@@ -743,6 +743,10 @@ where
     }
 }
 
+/// Trait for types that can be converted into a `Picker` to extract values from command-line arguments.
+///
+/// This trait provides a convenient way to convert a value (such as `Vec<String>`, `&[String]`, etc.)
+/// into a `Picker` and immediately start extracting values associated with specific flags.
 pub trait AsPicker
 where
     Self: Into<Vec<String>>,
diff --git a/mingling/src/setups.rs b/mingling/src/setups.rs
index a1290ff..6fd728a 100644
--- a/mingling/src/setups.rs
+++ b/mingling/src/setups.rs
@@ -7,6 +7,10 @@ pub use dirs::*;
 mod exit_code;
 pub use exit_code::*;
 
+/// Picker's `ProgramSetup` variant.
+///
+/// Internally does not use its own argument parsing,
+/// but relies on `arg_picker`'s argument parsing capability.
 #[cfg(feature = "picker")]
 pub mod picker;