Bjørn Erik Pedersen 02eaddc2fb tpl/tplimpl: Fix template truth logic ... Before this commit, due to a bug in Go's `text/template` package, this would print different output for typed nil interface values: ``` {{ if .AuthenticatedUser }}User is authenticated!{{ else }}{{ end }} {{ if not .AuthenticatedUser }}{{ else }}}User is authenticated!{{ end }} ``` This commit works around this by wrapping every `if` and `with` with a custom `getif` template func with truth logic that matches `not`, `and` and `or`. Those 3 template funcs from Go's stdlib are now pulled into Hugo's source tree and adjusted to support custom zero values, e.g. types that implement `IsZero`. This means that you can now do: ``` {{ with .Date }}{{ . }}{{ end }} ``` And it would work as expected. Fixes #5738		2019-03-06 22:52:38 +01:00
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helpers.go
helpers_test.go