From 08bbaeb7cff2abd4e68272ed0e1747e801465489 Mon Sep 17 00:00:00 2001
From: Eryn Wells <eryn@erynwells.me>
Date: Tue, 20 Dec 2016 17:51:43 -0800
Subject: [PATCH] Make ascii_* sets private to characters

---
 src/characters.rs | 4 ++--
 src/lexer.rs      | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/characters.rs b/src/characters.rs
index 1016e68..42d9e53 100644
--- a/src/characters.rs
+++ b/src/characters.rs
@@ -7,12 +7,12 @@ use std::iter::FromIterator;
 
 pub type CharSet = HashSet<char>;
 
-pub fn ascii_letters() -> CharSet {
+fn ascii_letters() -> CharSet {
     let letters = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".chars();
     CharSet::from_iter(letters)
 }
 
-pub fn ascii_digits() -> CharSet {
+fn ascii_digits() -> CharSet {
     let digits = "1234567890".chars();
     CharSet::from_iter(digits)
 }
diff --git a/src/lexer.rs b/src/lexer.rs
index 8867520..6417b28 100644
--- a/src/lexer.rs
+++ b/src/lexer.rs
@@ -31,6 +31,6 @@ impl Iterator for Lexer {
 pub fn hello(person: &str) {
     println!("Hello, {}!", person);
     for (idx, c) in person.char_indices() {
-        println!("  {}, {} -> {}", c, idx, characters::ascii_letters().contains(&c));
+        println!("  {}, {} -> {}", c, idx, characters::identifier_initials().contains(&c));
     }
 }