From 847e5fc019f4b806c49a60d930e9d6ee352b6d5e Mon Sep 17 00:00:00 2001
From: John Turner <jturner.usa@gmail.com>
Date: Mon, 27 Oct 2025 21:58:35 -0400
Subject: impl IUseFlag type

---
 src/useflag/parsers.rs | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

(limited to 'src/useflag/parsers.rs')

diff --git a/src/useflag/parsers.rs b/src/useflag/parsers.rs
index e7b73d1..49000d9 100644
--- a/src/useflag/parsers.rs
+++ b/src/useflag/parsers.rs
@@ -1,6 +1,6 @@
-use mon::{Parser, r#if};
+use mon::{Parser, r#if, tag};
 
-use crate::useflag::UseFlag;
+use crate::useflag::{IUseFlag, UseFlag};
 
 pub fn useflag<'a>() -> impl Parser<&'a str, Output = UseFlag> {
     let start = r#if(|c: &char| c.is_ascii_alphanumeric());
@@ -11,3 +11,16 @@ pub fn useflag<'a>() -> impl Parser<&'a str, Output = UseFlag> {
         .recognize()
         .map(|output: &str| UseFlag(output.to_string()))
 }
+
+pub fn iuseflag<'a>() -> impl Parser<&'a str, Output = IUseFlag> {
+    useflag()
+        .preceded_by(tag("+"))
+        .map(|flag| IUseFlag {
+            default: true,
+            flag,
+        })
+        .or(useflag().map(|flag| IUseFlag {
+            default: false,
+            flag,
+        }))
+}
-- 
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