From 1260975b2a73e6fed4c660a244e08ec831652f88 Mon Sep 17 00:00:00 2001
From: Aleksander Zdunek <aleksander.zdunek@intinor.se>
Date: Fri, 26 May 2023 18:10:46 +0200
Subject: [PATCH 1/2] Make u16_parse_hex() public

Silence dead code warning when building lib with --no-default-features.
---
 src/lib.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lib.rs b/src/lib.rs
index 8da614d..ef26115 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -45,7 +45,7 @@ pub struct Filter {
     pub serial: Option<String>,
 }
 
-fn u16_parse_hex(s: &str) -> Result<u16, std::num::ParseIntError> {
+pub fn u16_parse_hex(s: &str) -> Result<u16, std::num::ParseIntError> {
     u16::from_str_radix(s, 16)
 }
 

From 8889b6da05871fb1603529f24213298c444b3a5a Mon Sep 17 00:00:00 2001
From: Aleksander Zdunek <aleksander.zdunek@intinor.se>
Date: Fri, 9 Jun 2023 15:58:17 +0200
Subject: [PATCH 2/2] Document u16_parse_hex()

---
 src/lib.rs | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/lib.rs b/src/lib.rs
index ef26115..baf5918 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -45,6 +45,15 @@ pub struct Filter {
     pub serial: Option<String>,
 }
 
+/// Parse hexadecimal formatted string to integer
+///
+/// Helper function for parsing PID and VID command line arguments.
+///
+/// #Example
+/// ```
+///     #[structopt(parse(try_from_str=streamdeck::u16_parse_hex))]
+///     pid: u16,
+/// ```
 pub fn u16_parse_hex(s: &str) -> Result<u16, std::num::ParseIntError> {
     u16::from_str_radix(s, 16)
 }