Non-alphanumerics in template field names?

[Bob DuCharme]

I have seen that a map key name of "foo:bar" works just fine... unless I reference it in a template. {{.foo:bar}} gives me a segmentation violation at runtime, but works fine if there was no colon in the map key name. I have tried various ways to escape the colon or quote the field name (e.g. {{."foo:bar"}}, {{.foo%3Abar}} ) with no luck. 

Does anyone know a way to allow non-alphanumeric characters (besides the underscore, which I know works) in names that get referenced in templates? 

Thanks,

Bob

[roger peppe]

You could use the "index" built-in function instead of the dot operator:

{{index . "foo:bar"}}

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