From 53157279f39709add7eaf45ca43363cf6b88d605 Mon Sep 17 00:00:00 2001
From: Per <Per Lindgren>
Date: Tue, 20 Feb 2018 23:07:20 +0100
Subject: [PATCH] a function instead of closure (less ergonomic)
---
examples/parse.rs | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/examples/parse.rs b/examples/parse.rs
index 3e4ce51..bedb30b 100644
--- a/examples/parse.rs
+++ b/examples/parse.rs
@@ -26,8 +26,13 @@ enum Command {
Freq(u32),
}
+fn f(s: &&str) -> bool {
+ !(s == &"")
+}
+
fn parse(s: &str) -> Result<Command, &str> {
- let mut iter = s.split(' ').filter(|c| !(c == &""));
+ //let mut iter = s.split(' ').filter(|c| !(c == &""));
+ let mut iter = s.split(' ').filter(f);
match iter.next() {
Some("Stop") => Ok(Command::Stop),
--
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