feat(mingling_picker): replace bool Matcher with FlagMatcherfeat/picker2

Rename `bool_matcher` module to `flag_matcher` and introduce a dedicated
`FlagMatcher` struct, moving matching logic away from the `bool` type
itself

3 files changed, 14 insertions, 4 deletions

diff --git a/mingling_picker/src/builtin/pick_bool.rs b/mingling_picker/src/builtin/pick_bool.rs
index 65efe47..673f2a3 100644
--- a/mingling_picker/src/builtin/pick_bool.rs
+++ b/mingling_picker/src/builtin/pick_bool.rs
@@ -1,4 +1,5 @@
-use crate::{parselib::Matcher, pickable_needed::*};
+use crate::parselib::{FlagMatcher, Matcher};
+use crate::pickable_needed::*;
 
 impl<'a> Pickable<'a> for bool {
     fn get_attr(_: &'a PickerFlag<'a, Self>) -> PickerFlagAttr {
@@ -6,7 +7,7 @@ impl<'a> Pickable<'a> for bool {
     }
 
     fn tag(ctx: TagPhaseContext) -> Vec<usize> {
-        <bool as Matcher>::match_all(ctx.into())
+        FlagMatcher::match_all(ctx.into())
     }
 
     fn pick(raw_strs: &[&str]) -> PickerArgResult<Self> {
diff --git a/mingling_picker/src/parselib.rs b/mingling_picker/src/parselib.rs
index 5950c9d..cf550b7 100644
--- a/mingling_picker/src/parselib.rs
+++ b/mingling_picker/src/parselib.rs
@@ -1,4 +1,5 @@
-mod bool_matcher;
+mod flag_matcher;
+pub use flag_matcher::*;
 
 mod style;
 pub use style::*;
diff --git a/mingling_picker/src/parselib/bool_matcher.rs b/mingling_picker/src/parselib/flag_matcher.rs
index cbcb111..af890b9 100644
--- a/mingling_picker/src/parselib/bool_matcher.rs
+++ b/mingling_picker/src/parselib/flag_matcher.rs
@@ -4,7 +4,15 @@ use crate::{
     vec_string_slice,
 };
 
-impl Matcher for bool {
+/// `FlagMatcher` is used to match flags in command-line arguments.
+///
+/// Flags typically start with `-` or `--` (e.g., `-h`, `--help`),
+/// and do not carry additional values. This matcher is responsible for finding
+/// these flags in the argument list, taking into account that flags after `--`
+/// (end-of-options marker) should not be matched.
+pub struct FlagMatcher;
+
+impl Matcher for FlagMatcher {
     fn on_match_one(
         args: &[MaskedArg],
         style: &ParserStyle,