From 14dfeb8e7d2aa87a361a711a485243449426b144 Mon Sep 17 00:00:00 2001
From: Nadrieril
Date: Tue, 7 May 2019 16:28:39 +0200
Subject: Reorganize dhall_syntax

---
 dhall_syntax/src/text.rs | 116 -----------------------------------------------
 1 file changed, 116 deletions(-)
 delete mode 100644 dhall_syntax/src/text.rs

(limited to 'dhall_syntax/src/text.rs')

diff --git a/dhall_syntax/src/text.rs b/dhall_syntax/src/text.rs
deleted file mode 100644
index 83643d9..0000000
--- a/dhall_syntax/src/text.rs
+++ /dev/null
@@ -1,116 +0,0 @@
-use std::iter::FromIterator;
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct InterpolatedText<SubExpr> {
-    head: String,
-    tail: Vec<(SubExpr, String)>,
-}
-
-impl<SubExpr> From<(String, Vec<(SubExpr, String)>)>
-    for InterpolatedText<SubExpr>
-{
-    fn from(x: (String, Vec<(SubExpr, String)>)) -> Self {
-        InterpolatedText {
-            head: x.0,
-            tail: x.1,
-        }
-    }
-}
-
-impl<SubExpr> From<String> for InterpolatedText<SubExpr> {
-    fn from(s: String) -> Self {
-        InterpolatedText {
-            head: s,
-            tail: vec![],
-        }
-    }
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum InterpolatedTextContents<SubExpr> {
-    Text(String),
-    Expr(SubExpr),
-}
-
-impl<SubExpr> InterpolatedTextContents<SubExpr> {
-    pub fn is_empty(&self) -> bool {
-        use InterpolatedTextContents::{Expr, Text};
-        match self {
-            Expr(_) => false,
-            Text(s) => s.is_empty(),
-        }
-    }
-}
-
-impl<SubExpr> InterpolatedText<SubExpr> {
-    pub fn traverse_ref<'a, SubExpr2, E, F>(
-        &'a self,
-        mut f: F,
-    ) -> Result<InterpolatedText<SubExpr2>, E>
-    where
-        F: FnMut(&'a SubExpr) -> Result<SubExpr2, E>,
-    {
-        Ok(InterpolatedText {
-            head: self.head.clone(),
-            tail: self
-                .tail
-                .iter()
-                .map(|(e, s)| Ok((f(e)?, s.clone())))
-                .collect::<Result<_, _>>()?,
-        })
-    }
-
-    pub fn iter<'a>(
-        &'a self,
-    ) -> impl Iterator<Item = InterpolatedTextContents<SubExpr>> + 'a
-    where
-        SubExpr: Clone,
-    {
-        use std::iter::once;
-        use InterpolatedTextContents::{Expr, Text};
-        once(Text(self.head.clone()))
-            .chain(self.tail.iter().flat_map(|(e, s)| {
-                once(Expr(SubExpr::clone(e))).chain(once(Text(s.clone())))
-            }))
-            .filter(|c| !c.is_empty())
-    }
-
-    pub fn into_iter(
-        self,
-    ) -> impl Iterator<Item = InterpolatedTextContents<SubExpr>> {
-        use std::iter::once;
-        use InterpolatedTextContents::{Expr, Text};
-        once(Text(self.head))
-            .chain(
-                self.tail
-                    .into_iter()
-                    .flat_map(|(e, s)| once(Expr(e)).chain(once(Text(s)))),
-            )
-            .filter(|c| !c.is_empty())
-    }
-}
-
-impl<SubExpr> FromIterator<InterpolatedTextContents<SubExpr>>
-    for InterpolatedText<SubExpr>
-{
-    fn from_iter<T>(iter: T) -> Self
-    where
-        T: IntoIterator<Item = InterpolatedTextContents<SubExpr>>,
-    {
-        let mut res = InterpolatedText {
-            head: String::new(),
-            tail: Vec::new(),
-        };
-        let mut crnt_str = &mut res.head;
-        for x in iter.into_iter() {
-            match x {
-                InterpolatedTextContents::Text(s) => crnt_str.push_str(&s),
-                InterpolatedTextContents::Expr(e) => {
-                    res.tail.push((e, String::new()));
-                    crnt_str = &mut res.tail.last_mut().unwrap().1;
-                }
-            }
-        }
-        res
-    }
-}
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