1 files changed, 28 insertions, 0 deletions
diff --git a/src/content/en/pastebins/2019/12/29/raku-tuple-type.adoc b/src/content/en/pastebins/2019/12/29/raku-tuple-type.adoc
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+= Raku tuple type annotation
+:categories: raku programming-languages
+
+[source,raku]
+----
+# Single Str return value: this works
+sub f1(Str $in --> Str) {
+  $in;
+}
+
+# Tuple of Str as return value: this works
+sub f2(Str $in) {
+  ($in, $in);
+}
+
+# Tuple of Str as return value with type annotation: this doesn't works
+sub f2(Str $in --> (Str, Str)) {
+  ($in, $in);
+}
+----
+
+Error log is:
+
+[source,raku]
+----
+===SORRY!=== Error while compiling /path/to/my/file
+Malformed return value
+----