docs: update example and parameter descriptions

Author: kgryte

lib/node_modules/@stdlib/ndarray/map/docs/repl.txt

@@ -1,12 +1,7 @@
 
-{{alias}}( x, [ options, ]fcn[, thisArg] )
+{{alias}}( x[, options], fcn[, thisArg] )
     Applies a callback function to elements in an input ndarray and assigns
-    results to elements in an output ndarray.
-
-    The function accepts the following options:
-
-    - dtype: output ndarray data type. Defaults to match the input ndarray
-        if not specified.
+    results to elements in a new output ndarray.
 
     The callback function is provided the following arguments:
 
@@ -22,6 +17,10 @@
     options: Object (optional)
         Function options.
 
+    options.dtype: string (optional)
+        Output ndarray data type. Overrides using the input array's inferred
+        data type.
+
     fcn: Function
         Callback function.
 
@@ -30,22 +29,11 @@
 
     Examples
     --------
-    // Define ndarray data and meta data...
-    > var buffer = new {{alias:@stdlib/array/float64}}( [ 1.0, 2.0, 3.0, 4.0 ] );
-    > var dtype = 'float64';
-    > var shape = [ 2, 2 ];
-    > var strides = [ 2, 1 ];
-    > var offset = 0;
-    > var order = 'row-major';
-
-    // Define a callback function:
+    > var x = {{alias:@stdlib/ndarray/array}}( [ [ 1.0, 2.0 ], [ 3.0, 4.0 ] ] );
     > function f( v ) { return v*10.0; };
-
-    // Using ndarray...
-    > var x = {{alias:@stdlib/ndarray/ctor}}( dtype, buffer, shape, strides, offset, order );
     > var y = {{alias}}( x, f );
-    > y.data
-    <Float64Array>[ 10.0, 20.0, 30.0, 40.0 ]
+    > {{alias:@stdlib/ndarray/to-array}}( y )
+    [ [ 10.0, 20.0 ], [ 30.0, 40.0 ] ]
 
     See Also
     --------