Give Instant + Instant a more helpful error message

rakudo · Jan 4, 2019 · e48712a · e48712a
1 parent e58e376
commit e48712a
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/core/Instant.pm6 b/src/core/Instant.pm6
@@ -88,6 +88,9 @@ multi sub infix:«>=»(Instant:D $a, Instant:D $b --> Bool:D) {
     $a.tai >= $b.tai
 }
 
+multi sub infix:<+>(Instant:D $a, Instant:D $b) {
+    die "Adding two Instant values has no meaning, did you mean to subtract?"
+}
 multi sub infix:<+>(Instant:D $a, Real:D $b --> Instant:D) {
     nqp::create(Instant).SET-SELF($a.tai + $b.Rat)
 }