From d3085968d3913781ea6c19251a1d9170f09e018c Mon Sep 17 00:00:00 2001
From: John Turner <jturner.usa@gmail.com>
Date: Thu, 13 Nov 2025 23:02:40 +0000
Subject: make alpha, numeric, alphanumeric, and whitespace return I::Item

---
 src/lib.rs     | 22 +++++-----------------
 tests/sexpr.rs |  4 ++--
 2 files changed, 7 insertions(+), 19 deletions(-)

diff --git a/src/lib.rs b/src/lib.rs
index d96eb4c..013782f 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -995,15 +995,12 @@ where
     Eof
 }
 
-pub fn alpha<I>() -> impl Parser<I, Output = I>
+pub fn alpha<I>() -> impl Parser<I, Output = I::Item>
 where
     I: Input,
     I::Item: Character,
 {
     r#if(|c: &I::Item| c.is_alphabetic())
-        .repeated()
-        .many()
-        .recognize()
 }
 
 pub fn alpha1<I>() -> impl Parser<I, Output = I>
@@ -1017,15 +1014,12 @@ where
         .recognize()
 }
 
-pub fn numeric<I>() -> impl Parser<I, Output = I>
+pub fn numeric<I>() -> impl Parser<I, Output = I::Item>
 where
     I: Input,
     I::Item: Character,
 {
     r#if(|c: &I::Item| c.is_numeric())
-        .repeated()
-        .many()
-        .recognize()
 }
 
 pub fn numeric1<I>() -> impl Parser<I, Output = I>
@@ -1039,15 +1033,12 @@ where
         .recognize()
 }
 
-pub fn alphanumeric<I>() -> impl Parser<I, Output = I>
+pub fn alphanumeric<I>() -> impl Parser<I, Output = I::Item>
 where
     I: Input,
     I::Item: Character,
 {
     r#if(|c: &I::Item| c.is_alphanumeric())
-        .repeated()
-        .many()
-        .recognize()
 }
 
 pub fn alphanumeric1<I>() -> impl Parser<I, Output = I>
@@ -1061,15 +1052,12 @@ where
         .recognize()
 }
 
-pub fn whitespace<I>() -> impl Parser<I, Output = I>
+pub fn whitespace<I>() -> impl Parser<I, Output = I::Item>
 where
     I: Input,
     I::Item: Character,
 {
     r#if(|c: &I::Item| c.is_whitespace())
-        .repeated()
-        .many()
-        .recognize()
 }
 
 pub fn whitespace1<I>() -> impl Parser<I, Output = I>
@@ -1129,7 +1117,7 @@ mod test {
         let input = "a b c";
         let it = InputIter::new(input);
 
-        alpha1()
+        alpha()
             .separated_by(whitespace())
             .at_least(1)
             .check_finished(it)
diff --git a/tests/sexpr.rs b/tests/sexpr.rs
index 8d02793..1f8a0af 100644
--- a/tests/sexpr.rs
+++ b/tests/sexpr.rs
@@ -15,7 +15,7 @@ enum Sexpr {
 
 fn atom<'a>() -> impl Parser<&'a str, Output = Sexpr> {
     alpha1()
-        .and(alphanumeric())
+        .and(alphanumeric().repeated().many())
         .recognize()
         .map(|output: &str| Sexpr::Atom(output.to_string()))
 }
@@ -35,7 +35,7 @@ fn int<'a>() -> impl Parser<&'a str, Output = Sexpr> {
 fn sexpr<'a>() -> impl Parser<&'a str, Output = Sexpr> {
     |it| {
         sexpr()
-            .separated_by(whitespace())
+            .separated_by(whitespace().repeated().many())
             .many()
             .delimited_by(tag("("), tag(")"))
             .map(|output| Sexpr::List(output))
-- 
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