single arg version of subtraction shouldn't negate

TimToady · TimToady · commit f259c5e323a8 · 2018-04-07T17:26:28.000+02:00
diff --git a/S03-operators/u2212-minus.t b/S03-operators/u2212-minus.t
@@ -10,7 +10,7 @@ plan 54;
 
 {
     is-deeply infix:<−>(  ),   0, 'infix:<−>() returns zero';
-    is-deeply infix:<−>(42), -42, 'infix:<−>(arg) negates arg';
+    is-deeply infix:<−>(42),  42, 'infix:<−>(arg) does not negate arg';
     is-deeply quietly { class {} − class {} },
         0, 'infix, Custom class, Custom class';
 }

Original file line number	Diff line number	Diff line change
`@@ -10,7 +10,7 @@ plan 54;`
`10`	`10`
`11`	`11`	`{`
`12`	`12`	`is-deeply infix:<−>( ), 0, 'infix:<−>() returns zero';`
`13`		`- is-deeply infix:<−>(42), -42, 'infix:<−>(arg) negates arg';`
	`13`	`+ is-deeply infix:<−>(42), 42, 'infix:<−>(arg) does not negate arg';`
`14`	`14`	`is-deeply quietly { class {} − class {} },`
`15`	`15`	`0, 'infix, Custom class, Custom class';`
`16`	`16`	`}`