yes there is none. rune is int32 you can use them synonymous.
the rational is the following.
by using an int32 which would normally be a number as a parameter for eq together with some string type one can safely assume that in this context the author of that template used a rune literal 'a' or simply made a mistake. worst thing that could happen is that by coincidence a number is a valid unicode point and somehow really the same as the string to be compared.