Add derive-new

Author: termoshtt

Cargo.toml

@@ -15,6 +15,7 @@ openblas = ["blas/openblas", "lapack/openblas"]
 netlib   = ["blas/netlib", "lapack/netlib"]
 
 [dependencies]
+derive-new = "0.4"
 enum-error-derive = "0.1"
 num-traits  = "0.1"
 num-complex = "0.1"

src/error.rs

@@ -4,6 +4,8 @@ use std::error;
 use std::fmt;
 use ndarray::{Ixs, ShapeError};
 
+pub type LResult<T> = Result<T, LinalgError>;
+
 #[derive(Debug, EnumError)]
 pub enum LinalgError {
     NotSquare(NotSquareError),
@@ -13,7 +15,7 @@ pub enum LinalgError {
     Shape(ShapeError),
 }
 
-#[derive(Debug)]
+#[derive(Debug, new)]
 pub struct LapackError {
     pub return_code: i32,
 }
@@ -36,7 +38,7 @@ impl From<i32> for LapackError {
     }
 }
 
-#[derive(Debug)]
+#[derive(Debug, new)]
 pub struct NotSquareError {
     pub rows: usize,
     pub cols: usize,
@@ -54,7 +56,7 @@ impl error::Error for NotSquareError {
     }
 }
 
-#[derive(Debug)]
+#[derive(Debug, new)]
 pub struct StrideError {
     pub s0: Ixs,
     pub s1: Ixs,
@@ -72,7 +74,7 @@ impl error::Error for StrideError {
     }
 }
 
-#[derive(Debug)]
+#[derive(Debug, new)]
 pub struct MemoryContError {}
 
 impl fmt::Display for MemoryContError {

src/lib.rs

@@ -39,6 +39,8 @@ extern crate num_complex;
 extern crate ndarray;
 #[macro_use]
 extern crate enum_error_derive;
+#[macro_use]
+extern crate derive_new;
 
 pub mod impls;
 pub mod error;