From f400cee91114dad98c59c2c6fa9569cb851bc46e Mon Sep 17 00:00:00 2001
From: "Jorge C. Leitao" <jorgecarleitao@gmail.com>
Date: Sat, 11 Dec 2021 06:13:50 +0000
Subject: [PATCH] Simplified trait bounds.

---
 src/compute/arithmetics/basic/add.rs | 4 ++--
 src/compute/arithmetics/basic/div.rs | 8 ++++----
 src/compute/arithmetics/basic/mul.rs | 2 +-
 src/compute/arithmetics/basic/pow.rs | 4 ++--
 4 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/src/compute/arithmetics/basic/add.rs b/src/compute/arithmetics/basic/add.rs
index c89f2cd8cd0..d1002ab97d5 100644
--- a/src/compute/arithmetics/basic/add.rs
+++ b/src/compute/arithmetics/basic/add.rs
@@ -1,7 +1,7 @@
 //! Definition of basic add operations with primitive arrays
 use std::ops::Add;
 
-use num_traits::{ops::overflowing::OverflowingAdd, CheckedAdd, SaturatingAdd, WrappingAdd, Zero};
+use num_traits::{ops::overflowing::OverflowingAdd, CheckedAdd, SaturatingAdd, WrappingAdd};
 
 use crate::{
     array::{Array, PrimitiveArray},
@@ -313,7 +313,7 @@ where
 // Implementation of ArrayCheckedAdd trait for PrimitiveArrays with a scalar
 impl<T> ArrayCheckedAdd<T> for PrimitiveArray<T>
 where
-    T: NativeArithmetics + CheckedAdd<Output = T> + Zero,
+    T: NativeArithmetics + CheckedAdd<Output = T>,
 {
     fn checked_add(&self, rhs: &T) -> Self {
         checked_add_scalar(self, rhs)
diff --git a/src/compute/arithmetics/basic/div.rs b/src/compute/arithmetics/basic/div.rs
index 2592ca4878a..1f805811073 100644
--- a/src/compute/arithmetics/basic/div.rs
+++ b/src/compute/arithmetics/basic/div.rs
@@ -1,7 +1,7 @@
 //! Definition of basic div operations with primitive arrays
 use std::ops::Div;
 
-use num_traits::{CheckedDiv, NumCast, Zero};
+use num_traits::{CheckedDiv, NumCast};
 
 use crate::datatypes::DataType;
 use crate::{
@@ -191,7 +191,7 @@ where
 /// ```
 pub fn checked_div_scalar<T>(lhs: &PrimitiveArray<T>, rhs: &T) -> PrimitiveArray<T>
 where
-    T: NativeArithmetics + CheckedDiv<Output = T> + Zero,
+    T: NativeArithmetics + CheckedDiv<Output = T>,
 {
     let rhs = *rhs;
     let op = move |a: T| a.checked_div(&rhs);
@@ -202,7 +202,7 @@ where
 // Implementation of ArrayDiv trait for PrimitiveArrays with a scalar
 impl<T> ArrayDiv<T> for PrimitiveArray<T>
 where
-    T: NativeArithmetics + Div<Output = T> + NativeArithmetics + NumCast,
+    T: NativeArithmetics + Div<Output = T> + NumCast,
 {
     fn div(&self, rhs: &T) -> Self {
         div_scalar(self, rhs)
@@ -212,7 +212,7 @@ where
 // Implementation of ArrayCheckedDiv trait for PrimitiveArrays with a scalar
 impl<T> ArrayCheckedDiv<T> for PrimitiveArray<T>
 where
-    T: NativeArithmetics + CheckedDiv<Output = T> + Zero + NativeArithmetics,
+    T: NativeArithmetics + CheckedDiv<Output = T>,
 {
     fn checked_div(&self, rhs: &T) -> Self {
         checked_div_scalar(self, rhs)
diff --git a/src/compute/arithmetics/basic/mul.rs b/src/compute/arithmetics/basic/mul.rs
index 6b3ae4b4d08..c986403ae67 100644
--- a/src/compute/arithmetics/basic/mul.rs
+++ b/src/compute/arithmetics/basic/mul.rs
@@ -304,7 +304,7 @@ where
 // Implementation of ArrayMul trait for PrimitiveArrays with a scalar
 impl<T> ArrayMul<T> for PrimitiveArray<T>
 where
-    T: NativeArithmetics + Mul<Output = T> + NativeArithmetics,
+    T: NativeArithmetics + Mul<Output = T>,
 {
     fn mul(&self, rhs: &T) -> Self {
         mul_scalar(self, rhs)
diff --git a/src/compute/arithmetics/basic/pow.rs b/src/compute/arithmetics/basic/pow.rs
index e2e28deb9ba..71138893070 100644
--- a/src/compute/arithmetics/basic/pow.rs
+++ b/src/compute/arithmetics/basic/pow.rs
@@ -1,5 +1,5 @@
 //! Definition of basic pow operations with primitive arrays
-use num_traits::{checked_pow, CheckedMul, One, Pow, Zero};
+use num_traits::{checked_pow, CheckedMul, One, Pow};
 
 use crate::{
     array::{Array, PrimitiveArray},
@@ -44,7 +44,7 @@ where
 /// ```
 pub fn checked_powf_scalar<T>(array: &PrimitiveArray<T>, exponent: usize) -> PrimitiveArray<T>
 where
-    T: NativeArithmetics + Zero + One + CheckedMul,
+    T: NativeArithmetics + CheckedMul + One,
 {
     let op = move |a: T| checked_pow(a, exponent);