changes to the structure of the exercise

exercises/practice/protein-translation/.meta/example.jl

@@ -23,6 +23,10 @@ struct TranslationError <: Exception
 end
 
 macro rna_str(str)
+    rna_translator(str)
+end
+
+function rna_translator(str)
     n = 3
     result = []
     for i=1:n:length(str)
@@ -35,7 +39,8 @@ macro rna_str(str)
         protein == "STOP" && break
         push!(result, protein)
     end
-    return result
+    result
+
 end
 
 

exercises/practice/protein-translation/protein-translation.jl

@@ -1,3 +1,8 @@
 macro rna_str()
     # I'm a ribosome macro!
-end
+end
+
+
+function rna_translator()
+    # I'm a ribosome function!
+end

exercises/practice/protein-translation/runtests.jl

@@ -71,11 +71,11 @@ include("protein-translation.jl")
     end
 
     @testset "Non existent codon causes translation exception" begin
-        @test_throws TranslationError @macroexpand rna"AAA"
+        @test_throws TranslationError rna_translator("AAA")
     end
 
     @testset "Incomplete codon causes translation exception" begin
-        @test_throws TranslationError @macroexpand rna"UGGU"
+        @test_throws TranslationError rna_translator("UGUU")
     end
 
     @testset "Incomplete RNA sequence can translate if given a stop codon" begin