From 26ed5a1d4d43573ac8ad2f8de9e4dd411650aa9a Mon Sep 17 00:00:00 2001
From: Nadrieril
Date: Wed, 19 Feb 2020 17:24:41 +0000
Subject: Expose fewer pub things

---
 dhall/src/syntax/ast/span.rs | 31 +++----------------------------
 1 file changed, 3 insertions(+), 28 deletions(-)

(limited to 'dhall/src/syntax/ast/span.rs')

diff --git a/dhall/src/syntax/ast/span.rs b/dhall/src/syntax/ast/span.rs
index fba6a2d..e75ea53 100644
--- a/dhall/src/syntax/ast/span.rs
+++ b/dhall/src/syntax/ast/span.rs
@@ -2,7 +2,7 @@ use std::rc::Rc;
 
 /// A location in the source text
 #[derive(Debug, Clone)]
-pub struct ParsedSpan {
+pub(crate) struct ParsedSpan {
     input: Rc<str>,
     /// # Safety
     ///
@@ -15,7 +15,7 @@ pub struct ParsedSpan {
 }
 
 #[derive(Debug, Clone)]
-pub enum Span {
+pub(crate) enum Span {
     /// A location in the source text
     Parsed(ParsedSpan),
     /// For expressions obtained from decoding binary
@@ -50,7 +50,7 @@ impl Span {
     /// Takes the union of the two spans, i.e. the range of input covered by the two spans plus any
     /// input between them. Assumes that the spans come from the same input. Fails if one of the
     /// spans does not point to an input location.
-    pub fn union(&self, other: &Span) -> Self {
+    pub(crate) fn union(&self, other: &Span) -> Self {
         use std::cmp::{max, min};
         use Span::*;
         match (self, other) {
@@ -67,31 +67,6 @@ impl Span {
             ),
         }
     }
-
-    /// Merges two spans assumed to point to a similar thing. If only one of them points to an
-    /// input location, use that one.
-    pub fn merge(&self, other: &Span) -> Self {
-        use Span::*;
-        match (self, other) {
-            (Parsed(x), _) | (_, Parsed(x)) => Parsed(x.clone()),
-            (Artificial, _) | (_, Artificial) => Artificial,
-            (Decoded, Decoded) => Decoded,
-        }
-    }
-
-    pub fn error(&self, message: impl Into<String>) -> String {
-        use pest::error::{Error, ErrorVariant};
-        use pest::Span;
-        let message: String = message.into();
-        let span = match self {
-            self::Span::Parsed(span) => span,
-            _ => return format!("[unknown location] {}", message),
-        };
-        let span = Span::new(&*span.input, span.start, span.end).unwrap();
-        let err: ErrorVariant<!> = ErrorVariant::CustomError { message };
-        let err = Error::new_from_span(err, span);
-        format!("{}", err)
-    }
 }
 
 /// Convert a byte idx into a string into a char idx for consumption by annotate_snippets.
-- 
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