Merge pull request #3854 from wambash/challenge-week-107

solutions week 107

2 files changed, 43 insertions, 0 deletions

diff --git a/challenge-107/wambash/raku/ch-1.raku b/challenge-107/wambash/raku/ch-1.raku
new file mode 100644
index 0000000000..ea0647bd0f
--- /dev/null
+++ b/challenge-107/wambash/raku/ch-1.raku
@@ -0,0 +1,16 @@
+sub self-descriptive-numbers () {
+    1..*
+    andthen .map: { slip 0 x $_ .. $_-2 x $_ }\
+    andthen .grep: {.comb eq .comb.Bag{ (^.chars)».Str } }\
+    andthen .head(3)
+}
+
+multi MAIN () {
+    .say for self-descriptive-numbers
+}
+
+multi MAIN (Bool :$test!) {
+    use Test;
+    is self-descriptive-numbers(), (1210, 2020, 21200);
+    done-testing;
+}
diff --git a/challenge-107/wambash/raku/ch-2.raku b/challenge-107/wambash/raku/ch-2.raku
new file mode 100644
index 0000000000..58728c1656
--- /dev/null
+++ b/challenge-107/wambash/raku/ch-2.raku
@@ -0,0 +1,27 @@
+#!/usr/bin/env raku
+
+sub list-methods ( ::T ) {
+    T.^methods.map: *.name
+}
+
+sub MAIN (Bool :$test!) {
+    use Test;
+    
+    my $class = class :: {
+        method new {}
+        method add {}
+        method mul {}
+        method div {}
+    }
+
+    my $role = role :: {
+        method new {...}
+        method add {...}
+        method mul {...}
+        method div {...}
+    }
+
+    is list-methods($class), <new add mul div BUILDALL>;
+    is list-methods($role ), <new add mul div>;
+    done-testing;
+}