From 75d68e54ba0aae79cec33181c3b9c574822a0c61 Mon Sep 17 00:00:00 2001
From: timofey <tim@ongoteam.yaconnect.com>
Date: Fri, 30 Jun 2023 23:09:57 +0000
Subject: [PATCH] simplify `StackNode` deserialisation

---
 src/rstd/collections/stack.rs | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/src/rstd/collections/stack.rs b/src/rstd/collections/stack.rs
index 4836e44..27e859b 100644
--- a/src/rstd/collections/stack.rs
+++ b/src/rstd/collections/stack.rs
@@ -54,6 +54,12 @@ pub enum StackParseError<ElementParseError: Error> {
     Element(ElementParseError),
 }
 
+impl<E: Error> From<PointParseError> for StackParseError<E> {
+    fn from(value: PointParseError) -> Self {
+        Self::Point(value)
+    }
+}
+
 impl<ElementParseError: Error> Display for StackParseError<ElementParseError> {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         match self {
@@ -75,9 +81,7 @@ impl<'a, Ctx: Context<'a>, F: Factory<'a, Ctx>> Factory<'a, Ctx> for StackNodeFa
     type ParseError = StackParseError<ParseError<'a, Ctx, F>>;
 
     fn deserialize(&self, inctx: impl InCtx<'a, Ctx>) -> ParseResult<'a, Ctx, Self> {
-        let (rest, inctx) = NullableFactory::new(self.clone())
-            .ideserialize(inctx)
-            .map_err(StackParseError::Point)?;
+        let (rest, inctx) = NullableFactory::new(self.clone()).ideserialize(inctx)?;
         let element = self
             .element_factory
             .deserialize(inctx)
@@ -169,9 +173,7 @@ impl<'a, Ctx: Context<'a>, F: InlineableFactory<'a, Ctx>> InlineableFactory<'a,
     }
 
     fn ideserialize<I: InCtx<'a, Ctx>>(&self, inctx: I) -> IParseResult<'a, Ctx, Self, I> {
-        let (rest, inctx) = NullableFactory::new(self.clone())
-            .ideserialize(inctx)
-            .map_err(StackParseError::Point)?;
+        let (rest, inctx) = NullableFactory::new(self.clone()).ideserialize(inctx)?;
         let (element, inctx) = self
             .element_factory
             .ideserialize(inctx)