From 733f4af8b32c24f288436a2fe341c351173af83e Mon Sep 17 00:00:00 2001
From: Stephen Chung <schungx@live.com>
Date: Mon, 1 Mar 2021 09:30:23 +0800
Subject: [PATCH] Fix no_std build.

---
 src/fn_call.rs             | 2 +-
 src/packages/iter_basic.rs | 1 +
 src/result.rs              | 6 +++++-
 3 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/fn_call.rs b/src/fn_call.rs
index 60be49f0..4f91dc94 100644
--- a/src/fn_call.rs
+++ b/src/fn_call.rs
@@ -17,7 +17,7 @@ use crate::stdlib::{
     iter::{empty, once},
     mem,
     num::NonZeroU64,
-    string::ToString,
+    string::{String, ToString},
     vec::Vec,
 };
 use crate::utils::combine_hashes;
diff --git a/src/packages/iter_basic.rs b/src/packages/iter_basic.rs
index 9d37c2c8..3fc39d50 100644
--- a/src/packages/iter_basic.rs
+++ b/src/packages/iter_basic.rs
@@ -2,6 +2,7 @@ use crate::dynamic::Variant;
 use crate::stdlib::{
     boxed::Box,
     ops::{Add, Range},
+    string::ToString,
 };
 use crate::{def_package, EvalAltResult, Position, INT};
 
diff --git a/src/result.rs b/src/result.rs
index c344729e..1e6ec07b 100644
--- a/src/result.rs
+++ b/src/result.rs
@@ -348,7 +348,11 @@ impl EvalAltResult {
     pub(crate) fn dump_fields(&self, map: &mut crate::Map) {
         map.insert(
             "error".into(),
-            format!("{:?}", self).split('(').next().unwrap().into(),
+            crate::stdlib::format!("{:?}", self)
+                .split('(')
+                .next()
+                .unwrap()
+                .into(),
         );
 
         match self {