From dc407a6833b8358855fe5fb949b4253874311f47 Mon Sep 17 00:00:00 2001
From: Alan Du <alanhdu@gmail.com>
Date: Thu, 1 Jun 2017 20:35:39 +0100
Subject: Truncate fractional seconds to picoseconds

Close https://github.com/alexcrichton/toml-rs/issues/186
---
 src/datetime.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'src/datetime.rs')

diff --git a/src/datetime.rs b/src/datetime.rs
index f39d9fa..810a4d7 100644
--- a/src/datetime.rs
+++ b/src/datetime.rs
@@ -218,7 +218,10 @@ impl FromStr for Datetime {
                     return Err(DatetimeParseError { _private: () })
                 }
                 chars = whole[end..].chars();
-                match format!("0.{}", &whole[..end]).parse() {
+
+                // truncate to picoseconds precision
+                let last = if end > 12 { 12 } else { end };
+                match format!("0.{}", &whole[..last]).parse() {
                     Ok(f) => f,
                     Err(_) => return Err(DatetimeParseError { _private: () }),
                 }
-- 
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