So is there no string.concat or whatever in Go? It seems like the answer would be appropriate for some number of strings not known until runtime, but for two st

So is there no string.concat or whatever in Go? It seems like the answer would be appropriate for some number of strings not known until runtime, but for two strings specifically it must be overkill. Is there specifically some standard library thing that Google should be pointing to? Leaving this question unanswered really obfuscates the point of the post. (Unless you already know Go, I guess...)