fix: Avoid files that differ just by case

complex/add.mjs

@@ -1,4 +1,4 @@
-import {numComplex} from './Complex.mjs'
+import {numComplex} from './types/Complex.mjs'
 
 export const add = {
    '...Complex': [['self'], ref => addends => {

complex/complex.mjs

@@ -1,4 +1,4 @@
-import './Complex.mjs'
+import './types/Complex.mjs'
 
 export const complex = {
    /* Very permissive for sake of proof-of-concept; would be better to

complex/extendToComplex.mjs

@@ -1,4 +1,4 @@
-import './Complex.mjs'
+import './types/Complex.mjs'
 import * as complex from './complex.mjs'
 
 /* Add all the complex implementations for functions already

complex/negate.mjs

@@ -1,4 +1,4 @@
-import {numComplex} from './Complex.mjs'
+import {numComplex} from './types/Complex.mjs'
 export const negate = {
    Complex: [['self'], ref => z => {
       /* need a "base case" to avoid infinite self-reference */

package.json5

@@ -5,7 +5,7 @@
     inclusion, avoiding factory functions.',
   main: 'index.js',
   scripts: {
-    test: 'npx mocha',
+    test: '!(find . | sort -f | uniq -i -c | grep -v " 1 ") && npx mocha',
   },
   repository: {
     type: 'git',