Support HEREDOCs in lists #66
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This fixes a regression in Terraform where HEREDOCS were previously supported in lists, reported in hashicorp/terraform#4065.
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apparentlymart
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Sep 9, 2019
This allows using a splat expression to conveniently coerce a
possibly-null scalar into a zero- or one-item tuple, which is helpful
because in HCL we prefer "for each item in sequence" operations over pure
conditionals in many situations just because they compose better in our
declarative language.
For example, in a language that uses the "dynblock" extension we can
turn a possibly-null object into zero or one blocks using its for_each
argument with a splat operation:
dynamic "thingy" {
for_each = maybe_null.*
content {
name = thingy.value.name
}
}
This fixes #66.
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This fixes a regression in Terraform where HEREDOCS were previously supported in lists, reported in hashicorp/terraform#4065.