Run rustfmt

src/context/mod.rs

@@ -1,9 +1,6 @@
 use std::collections::HashMap;
 
-use crate::function::Function;
+use crate::{function::Function, value::value_type::ValueType, EvalexprError, EvalexprResult};
-use crate::value::value_type::ValueType;
-use crate::EvalexprError;
-use crate::EvalexprResult;
 
 use crate::value::Value;
 

src/error/display.rs

@@ -35,7 +35,14 @@ impl fmt::Display for EvalexprError {
                 write!(f, "Expected a Value::Boolean, but got {:?}.", actual)
             },
             ExpectedTuple { actual } => write!(f, "Expected a Value::Tuple, but got {:?}.", actual),
-            ExpectedFixedLenTuple { expected_len, actual } => write!(f, "Expected a Value::Tuple of len {}, but got {:?}.", expected_len, actual),
+            ExpectedFixedLenTuple {
+                expected_len,
+                actual,
+            } => write!(
+                f,
+                "Expected a Value::Tuple of len {}, but got {:?}.",
+                expected_len, actual
+            ),
             ExpectedEmpty { actual } => write!(f, "Expected a Value::Empty, but got {:?}.", actual),
             AppendedToLeafNode => write!(f, "Tried to append a node to a leaf node."),
             PrecedenceViolation => write!(

src/error/mod.rs

@@ -5,8 +5,10 @@
 //! The module also contains some helper functions starting with `expect_` that check for a condition and return `Err(_)` if the condition is not fulfilled.
 //! They are meant as shortcuts to not write the same error checking code everywhere.
 
-use crate::token::PartialToken;
+use crate::{
-use crate::value::{value_type::ValueType, TupleType};
+    token::PartialToken,
+    value::{value_type::ValueType, TupleType},
+};
 
 use crate::value::Value;
 
@@ -244,7 +246,10 @@ impl EvalexprError {
 
     /// Constructs `Error::ExpectedFixedLenTuple{expected_len, actual}`.
     pub fn expected_fixed_len_tuple(expected_len: usize, actual: Value) -> Self {
-        EvalexprError::ExpectedFixedLenTuple { expected_len, actual }
+        EvalexprError::ExpectedFixedLenTuple {
+            expected_len,
+            actual,
+        }
     }
 
     /// Constructs `Error::ExpectedEmpty{actual}`.

src/feature_serde/mod.rs

@@ -1,7 +1,6 @@
-use crate::interface::build_operator_tree;
+use crate::{interface::build_operator_tree, Node};
 use serde::{de, Deserialize, Deserializer};
 use std::fmt;
-use crate::Node;
 
 impl<'de> Deserialize<'de> for Node {
     fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>

src/function/builtin.rs

@@ -1,11 +1,10 @@
 #[cfg(feature = "regex_support")]
 use regex::Regex;
 
-
+use crate::{
-use crate::value::{FloatType, IntType};
+    value::{FloatType, IntType},
-use crate::EvalexprError;
+    EvalexprError, Function, Value,
-use crate::Function;
+};
-use crate::Value;
 
 pub fn builtin_function(identifier: &str) -> Option<Function> {
     match identifier {
@@ -82,7 +81,9 @@ pub fn builtin_function(identifier: &str) -> Option<Function> {
             let re_str = arguments[1].as_string()?;
             let repl = arguments[2].as_string()?;
             match Regex::new(&re_str) {
-                Ok(re) => Ok(Value::String(re.replace_all(&subject, repl.as_str()).to_string())),
+                Ok(re) => Ok(Value::String(
+                    re.replace_all(&subject, repl.as_str()).to_string(),
+                )),
                 Err(err) => Err(EvalexprError::invalid_regex(
                     re_str.to_string(),
                     format!("{}", err),

src/function/mod.rs

@@ -1,7 +1,6 @@
 use std::fmt;
 
-use crate::error::EvalexprResult;
+use crate::{error::EvalexprResult, value::Value};
-use crate::value::Value;
 
 pub(crate) mod builtin;
 

src/interface/mod.rs

@@ -1,15 +1,7 @@
-use crate::{token, HashMapContext};
+use crate::{
-use crate::tree;
+    token, tree, value::TupleType, Context, EmptyType, EvalexprError, EvalexprResult, FloatType,
-use crate::value::TupleType;
+    HashMapContext, IntType, Node, Value, EMPTY_VALUE,
-use crate::Context;
+};
-use crate::EmptyType;
-use crate::EvalexprError;
-use crate::EvalexprResult;
-use crate::FloatType;
-use crate::IntType;
-use crate::Node;
-use crate::Value;
-use crate::EMPTY_VALUE;
 
 /// Evaluate the given expression string.
 ///
@@ -224,7 +216,10 @@ pub fn eval_empty_with_context(string: &str, context: &dyn Context) -> EvalexprR
 /// Evaluate the given expression string into a string with the given mutable context.
 ///
 /// *See the [crate doc](index.html) for more examples and explanations of the expression format.*
-pub fn eval_string_with_context_mut(string: &str, context: &mut dyn Context) -> EvalexprResult<String> {
+pub fn eval_string_with_context_mut(
+    string: &str,
+    context: &mut dyn Context,
+) -> EvalexprResult<String> {
     match eval_with_context_mut(string, context) {
         Ok(Value::String(string)) => Ok(string),
         Ok(value) => Err(EvalexprError::expected_string(value)),
@@ -235,7 +230,10 @@ pub fn eval_string_with_context_mut(string: &str, context: &mut dyn Context) ->
 /// Evaluate the given expression string into an integer with the given mutable context.
 ///
 /// *See the [crate doc](index.html) for more examples and explanations of the expression format.*
-pub fn eval_int_with_context_mut(string: &str, context: &mut dyn Context) -> EvalexprResult<IntType> {
+pub fn eval_int_with_context_mut(
+    string: &str,
+    context: &mut dyn Context,
+) -> EvalexprResult<IntType> {
     match eval_with_context_mut(string, context) {
         Ok(Value::Int(int)) => Ok(int),
         Ok(value) => Err(EvalexprError::expected_int(value)),
@@ -276,7 +274,10 @@ pub fn eval_number_with_context_mut(
 /// Evaluate the given expression string into a boolean with the given mutable context.
 ///
 /// *See the [crate doc](index.html) for more examples and explanations of the expression format.*
-pub fn eval_boolean_with_context_mut(string: &str, context: &mut dyn Context) -> EvalexprResult<bool> {
+pub fn eval_boolean_with_context_mut(
+    string: &str,
+    context: &mut dyn Context,
+) -> EvalexprResult<bool> {
     match eval_with_context_mut(string, context) {
         Ok(Value::Boolean(boolean)) => Ok(boolean),
         Ok(value) => Err(EvalexprError::expected_boolean(value)),

src/lib.rs

@@ -369,13 +369,13 @@ extern crate serde;
 #[macro_use]
 extern crate serde_derive;
 
-pub use crate::context::{Context, EmptyContext, HashMapContext};
+pub use crate::{
-pub use crate::error::{EvalexprError, EvalexprResult};
+    context::{Context, EmptyContext, HashMapContext},
-pub use crate::function::Function;
+    error::{EvalexprError, EvalexprResult},
-pub use crate::interface::*;
+    function::Function,
-pub use crate::tree::Node;
+    interface::*,
-pub use crate::value::{
+    tree::Node,
-    value_type::ValueType, EmptyType, FloatType, IntType, TupleType, Value, EMPTY_VALUE,
+    value::{value_type::ValueType, EmptyType, FloatType, IntType, TupleType, Value, EMPTY_VALUE},
 };
 
 mod context;

src/token/mod.rs

@@ -1,5 +1,7 @@
-use crate::error::{EvalexprError, EvalexprResult};
+use crate::{
-use crate::value::{FloatType, IntType};
+    error::{EvalexprError, EvalexprResult},
+    value::{FloatType, IntType},
+};
 
 mod display;
 

src/tree/display.rs

@@ -1,5 +1,5 @@
-use std::fmt::{Display, Error, Formatter};
 use crate::Node;
+use std::fmt::{Display, Error, Formatter};
 
 impl Display for Node {
     fn fmt(&self, f: &mut Formatter) -> Result<(), Error> {

src/tree/iter.rs

@@ -1,5 +1,5 @@
-use std::slice::Iter;
 use crate::Node;
+use std::slice::Iter;
 
 /// An iterator that traverses an operator tree in pre-order.
 pub struct NodeIter<'a> {

src/tree/mod.rs

@@ -1,9 +1,8 @@
-use crate::token::Token;
+use crate::{
-use crate::value::{TupleType, EMPTY_VALUE};
+    token::Token,
-use crate::EmptyContext;
+    value::{TupleType, EMPTY_VALUE},
-use crate::EmptyType;
+    EmptyContext, EmptyType, FloatType, IntType,
-use crate::FloatType;
+};
-use crate::IntType;
 
 use crate::{
     context::Context,
@@ -228,7 +227,10 @@ impl Node {
     /// Evaluates the operator tree rooted at this node into a string with an the given mutable context.
     ///
     /// Fails, if one of the operators in the expression tree fails.
-    pub fn eval_string_with_context_mut(&self, context: &mut dyn Context) -> EvalexprResult<String> {
+    pub fn eval_string_with_context_mut(
+        &self,
+        context: &mut dyn Context,
+    ) -> EvalexprResult<String> {
         match self.eval_with_context_mut(context) {
             Ok(Value::String(string)) => Ok(string),
             Ok(value) => Err(EvalexprError::expected_string(value)),
@@ -239,7 +241,10 @@ impl Node {
     /// Evaluates the operator tree rooted at this node into a float with an the given mutable context.
     ///
     /// Fails, if one of the operators in the expression tree fails.
-    pub fn eval_float_with_context_mut(&self, context: &mut dyn Context) -> EvalexprResult<FloatType> {
+    pub fn eval_float_with_context_mut(
+        &self,
+        context: &mut dyn Context,
+    ) -> EvalexprResult<FloatType> {
         match self.eval_with_context_mut(context) {
             Ok(Value::Float(float)) => Ok(float),
             Ok(value) => Err(EvalexprError::expected_float(value)),
@@ -262,7 +267,10 @@ impl Node {
     /// If the result of the expression is an integer, it is silently converted into a float.
     ///
     /// Fails, if one of the operators in the expression tree fails.
-    pub fn eval_number_with_context_mut(&self, context: &mut dyn Context) -> EvalexprResult<FloatType> {
+    pub fn eval_number_with_context_mut(
+        &self,
+        context: &mut dyn Context,
+    ) -> EvalexprResult<FloatType> {
         match self.eval_with_context_mut(context) {
             Ok(Value::Int(int)) => Ok(int as FloatType),
             Ok(Value::Float(float)) => Ok(float),
@@ -285,7 +293,10 @@ impl Node {
     /// Evaluates the operator tree rooted at this node into a tuple with an the given mutable context.
     ///
     /// Fails, if one of the operators in the expression tree fails.
-    pub fn eval_tuple_with_context_mut(&self, context: &mut dyn Context) -> EvalexprResult<TupleType> {
+    pub fn eval_tuple_with_context_mut(
+        &self,
+        context: &mut dyn Context,
+    ) -> EvalexprResult<TupleType> {
         match self.eval_with_context_mut(context) {
             Ok(Value::Tuple(tuple)) => Ok(tuple),
             Ok(value) => Err(EvalexprError::expected_tuple(value)),
@@ -296,7 +307,10 @@ impl Node {
     /// Evaluates the operator tree rooted at this node into an empty value with an the given mutable context.
     ///
     /// Fails, if one of the operators in the expression tree fails.
-    pub fn eval_empty_with_context_mut(&self, context: &mut dyn Context) -> EvalexprResult<EmptyType> {
+    pub fn eval_empty_with_context_mut(
+        &self,
+        context: &mut dyn Context,
+    ) -> EvalexprResult<EmptyType> {
         match self.eval_with_context_mut(context) {
             Ok(Value::Empty) => Ok(EMPTY_VALUE),
             Ok(value) => Err(EvalexprError::expected_empty(value)),

tests/integration.rs

@@ -639,12 +639,27 @@ fn test_tuple_definitions() {
 
 #[test]
 fn test_implicit_context() {
-    assert_eq!(eval("a = 2 + 4 * 2; b = -5 + 3 * 5; a == b"), Ok(Value::from(true)));
+    assert_eq!(
-    assert_eq!(eval_boolean("a = 2 + 4 * 2; b = -5 + 3 * 5; a == b"), Ok(true));
+        eval("a = 2 + 4 * 2; b = -5 + 3 * 5; a == b"),
+        Ok(Value::from(true))
+    );
+    assert_eq!(
+        eval_boolean("a = 2 + 4 * 2; b = -5 + 3 * 5; a == b"),
+        Ok(true)
+    );
     assert_eq!(eval_int("a = 2 + 4 * 2; b = -5 + 3 * 5; a - b"), Ok(0));
-    assert_eq!(eval_float("a = 2 + 4 * 2; b = -5 + 3 * 5; a - b + 0.5"), Ok(0.5));
+    assert_eq!(
+        eval_float("a = 2 + 4 * 2; b = -5 + 3 * 5; a - b + 0.5"),
+        Ok(0.5)
+    );
     assert_eq!(eval_number("a = 2 + 4 * 2; b = -5 + 3 * 5; a - b"), Ok(0.0));
     assert_eq!(eval_empty("a = 2 + 4 * 2; b = -5 + 3 * 5;"), Ok(()));
-    assert_eq!(eval_tuple("a = 2 + 4 * 2; b = -5 + 3 * 5; a, b + 0.5"), Ok(vec![Value::from(10), Value::from(10.5)]));
+    assert_eq!(
-    assert_eq!(eval_string("a = \"xyz\"; b = \"abc\"; c = a + b; c"), Ok("xyzabc".to_string()));
+        eval_tuple("a = 2 + 4 * 2; b = -5 + 3 * 5; a, b + 0.5"),
+        Ok(vec![Value::from(10), Value::from(10.5)])
+    );
+    assert_eq!(
+        eval_string("a = \"xyz\"; b = \"abc\"; c = a + b; c"),
+        Ok("xyzabc".to_string())
+    );
 }