refactor: avoid repeated property access

Author: kgryte

lib/node_modules/@stdlib/array/to-fancy/lib/set_elements.js

@@ -65,7 +65,8 @@ function setElements( target, property, value, ctx ) {
 		dt = dtype( value ) || 'generic';
 	} else {
 		// When provided a "scalar", we need to check whether the value can be safely cast to the target array data type:
-		err = ctx.validator( value, ctx.dtype );
+		dt = ctx.dtype;
+		err = ctx.validator( value, dt );
 		if ( err ) {
 			throw err;
 		}
@@ -75,8 +76,7 @@ function setElements( target, property, value, ctx ) {
 			v = value;
 		}
 		// As the scalar can be safely cast, convert the scalar to an array having the same data type as the target array to allow for broadcasting during assignment:
-		v = scalar2array( v, ctx.dtype );
-		dt = ctx.dtype;
+		v = scalar2array( v, dt );
 	}
 	if ( idx.type === 'int' ) {
 		try {