Move code to failure as error handling library

3 files changed, 20 insertions, 17 deletions

diff --git a/src/parser/iterator.rs b/src/parser/iterator.rs
index f06edd0..a60892e 100644
--- a/src/parser/iterator.rs
+++ b/src/parser/iterator.rs
@@ -1,5 +1,7 @@
 use nom::whitespace::sp;
 
+use failure::Fallible as Result;
+use failure::Error;
 use parser::timetype::*;
 use timetype::IntoTimeType;
 use timetype;
@@ -64,7 +66,7 @@ named!(pub iterator<Iterator>, do_parse!(
 pub struct Iterator(Date, Iterspec, Option<UntilSpec>);
 
 impl Iterator {
-    pub fn into_user_iterator(self) -> error::Result<UserIterator<iter::Iter>> {
+    pub fn into_user_iterator(self) -> Result<UserIterator<iter::Iter>> {
         use iter::Times;
         use iter::Until;
 
@@ -91,7 +93,8 @@ impl Iterator {
 
         let into_ndt = |e: timetype::TimeType| try!(e.calculate())
             .get_moment()
-            .ok_or(error::KairosErrorKind::NotADateInsideIterator)
+            .ok_or(error::ErrorKind::NotADateInsideIterator)
+            .map_err(Error::from)
             .map(Clone::clone);
 
         match self.2 {
@@ -122,7 +125,7 @@ impl Iterator {
 // names are hard
 #[derive(Debug)]
 pub enum UserIterator<I>
-    where I: ::std::iter::Iterator<Item = error::Result<timetype::TimeType>>
+    where I: ::std::iter::Iterator<Item = Result<timetype::TimeType>>
 {
     Iterator(iter::Iter),
     TimesIter(iter::TimesIter<I>),
@@ -130,9 +133,9 @@ pub enum UserIterator<I>
 }
 
 impl<I> ::std::iter::Iterator for UserIterator<I>
-    where I: ::std::iter::Iterator<Item = error::Result<timetype::TimeType>>
+    where I: ::std::iter::Iterator<Item = Result<timetype::TimeType>>
 {
-    type Item = error::Result<timetype::TimeType>;
+    type Item = Result<timetype::TimeType>;
 
     fn next(&mut self) -> Option<Self::Item> {
         match *self {
@@ -171,7 +174,7 @@ mod tests {
         let (_, i) = res.unwrap();
         println!("{:#?}", i);
 
-        let ui : Result<UserIterator<iter::Iter>, _> = i.into_user_iterator();
+        let ui : Result<UserIterator<iter::Iter>> = i.into_user_iterator();
         assert!(ui.is_ok(), "Not okay: {:#?}", ui);
         let mut ui = ui.unwrap();
 
@@ -195,7 +198,7 @@ mod tests {
         let (_, i) = res.unwrap();
         println!("{:#?}", i);
 
-        let ui : Result<UserIterator<iter::Iter>, _> = i.into_user_iterator();
+        let ui : Result<UserIterator<iter::Iter>> = i.into_user_iterator();
         assert!(ui.is_ok(), "Not okay: {:#?}", ui);
         let mut ui = ui.unwrap();
 
@@ -219,7 +222,7 @@ mod tests {
         let (_, i) = res.unwrap();
         println!("{:#?}", i);
 
-        let ui : Result<UserIterator<iter::Iter>, _> = i.into_user_iterator();
+        let ui : Result<UserIterator<iter::Iter>> = i.into_user_iterator();
         assert!(ui.is_ok(), "Not okay: {:#?}", ui);
         let mut ui = ui.unwrap();
 
@@ -243,7 +246,7 @@ mod tests {
         let (_, i) = res.unwrap();
         println!("{:#?}", i);
 
-        let ui : Result<UserIterator<iter::Iter>, _> = i.into_user_iterator();
+        let ui : Result<UserIterator<iter::Iter>> = i.into_user_iterator();
         assert!(ui.is_ok(), "Not okay: {:#?}", ui);
         let mut ui = ui.unwrap();
 
@@ -275,7 +278,7 @@ mod tests {
         let (_, i) = res.unwrap();
         println!("{:#?}", i);
 
-        let ui : Result<UserIterator<iter::Iter>, _> = i.into_user_iterator();
+        let ui : Result<UserIterator<iter::Iter>> = i.into_user_iterator();
         assert!(ui.is_ok(), "Not okay: {:#?}", ui);
         let mut ui = ui.unwrap();
         println!("Okay: {:#?}", ui);
@@ -306,7 +309,7 @@ mod tests {
         let (_, i) = res.unwrap();
         println!("{:#?}", i);
 
-        let ui : Result<UserIterator<iter::Iter>, _> = i.into_user_iterator();
+        let ui : Result<UserIterator<iter::Iter>> = i.into_user_iterator();
         assert!(ui.is_ok(), "Not okay: {:#?}", ui);
         let mut ui = ui.unwrap();
 
@@ -336,7 +339,7 @@ mod tests {
         let (_, i) = res.unwrap();
         println!("{:#?}", i);
 
-        let ui : Result<UserIterator<iter::Iter>, _> = i.into_user_iterator();
+        let ui : Result<UserIterator<iter::Iter>> = i.into_user_iterator();
         assert!(ui.is_ok(), "Not okay: {:#?}", ui);
         let mut ui = ui.unwrap();
 
@@ -366,7 +369,7 @@ mod tests {
         let (_, i) = res.unwrap();
         println!("{:#?}", i);
 
-        let ui : Result<UserIterator<iter::Iter>, _> = i.into_user_iterator();
+        let ui : Result<UserIterator<iter::Iter>> = i.into_user_iterator();
         assert!(ui.is_ok(), "Not okay: {:#?}", ui);
         let mut ui = ui.unwrap();
 
diff --git a/src/parser/mod.rs b/src/parser/mod.rs
index f67a3cb..c6483b4 100644
--- a/src/parser/mod.rs
+++ b/src/parser/mod.rs
@@ -49,8 +49,8 @@ use nom::IResult;
 mod timetype;
 mod iterator;
 
-use error::Result;
-use error::KairosErrorKind as KEK;
+use failure::Fallible as Result;
+use error::ErrorKind as KEK;
 use iter::Iter;
 use timetype::IntoTimeType;
 use parser::timetype::timetype;
diff --git a/src/parser/timetype.rs b/src/parser/timetype.rs
index 83516fe..13f111b 100644
--- a/src/parser/timetype.rs
+++ b/src/parser/timetype.rs
@@ -4,11 +4,11 @@ use std::str::FromStr;
 use nom::digit;
 use nom::whitespace::sp;
 use chrono::NaiveDate;
+use failure::Fallible as Result;
 
 use timetype::IntoTimeType;
 use timetype;
-use error::Result;
-use error::KairosErrorKind as KEK;
+use error::ErrorKind as KEK;
 
 named!(pub integer<i64>, alt!(
     map_res!(