From b6125d2093abb645827e8ef279896f8f6998053b Mon Sep 17 00:00:00 2001
From: Alex Vlasov <alex.m.vlasov@gmail.com>
Date: Wed, 17 Jun 2020 22:11:24 +0300
Subject: [PATCH] fix cs error too

---
 Cargo.toml |  6 ++----
 src/cs.rs  | 12 +++++++++---
 2 files changed, 11 insertions(+), 7 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index 1bea73a86..2439cde07 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,7 +6,7 @@ homepage = "https://github.com/matter-labs/bellman"
 license = "MIT/Apache-2.0"
 name = "bellman_ce"
 repository = "https://github.com/matter-labs/bellman"
-version = "0.3.4"
+version = "0.3.5"
 edition = "2018"
 
 [lib]
@@ -17,8 +17,7 @@ rand = "0.4"
 bit-vec = "0.6"
 cfg-if = "0.1"
 
-#pairing = {package = "pairing_ce", path = "../pairing" }
-pairing = {package = "pairing_ce", version = "0.21" }
+pairing = {package = "pairing_ce", version = "0.21.*" }
 byteorder = "1"
 
 futures= {package = "futures", version = "0.3", default_features = false, features = ["executor"]}
@@ -35,7 +34,6 @@ blake2-rfc = {version = "0.2.18", optional = true}
 [features]
 # default = []
 default = ["multicore"]
-#default = ["wasm"]
 multicore = ["crossbeam", "futures/thread-pool"]
 sonic = ["tiny-keccak", "blake2-rfc"]
 gm17 = []
diff --git a/src/cs.rs b/src/cs.rs
index b1395fa39..17a58b936 100644
--- a/src/cs.rs
+++ b/src/cs.rs
@@ -178,8 +178,8 @@ impl From<io::Error> for SynthesisError {
     }
 }
 
-impl Error for SynthesisError {
-    fn description(&self) -> &str {
+impl SynthesisError {
+    pub fn self_description(&self) -> &str {
         match *self {
             SynthesisError::AssignmentMissing => "an assignment for a variable could not be computed",
             SynthesisError::DivisionByZero => "division by zero",
@@ -193,13 +193,19 @@ impl Error for SynthesisError {
     }
 }
 
+impl Error for SynthesisError {
+    fn description(&self) -> &str {
+        self.self_description()
+    }
+}
+
 impl fmt::Display for SynthesisError {
     fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
         if let &SynthesisError::IoError(ref e) = self {
             write!(f, "I/O error: ")?;
             e.fmt(f)
         } else {
-            write!(f, "{}", self.to_string())
+            write!(f, "{}", self.self_description())
         }
     }
 }