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Packer-Cn/hcl2template/function/anytrue.go
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fb8fa2b0fe [COMPLIANCE] Add/Update Copyright Headers (#13699)
* [COMPLIANCE] Add/Update Copyright Headers

* make generate update

* make generate

---------

Co-authored-by: hashicorp-copywrite[bot] <110428419+hashicorp-copywrite[bot]@users.noreply.github.com>
Co-authored-by: sanya <[email protected]>
Co-authored-by: Sanya <[email protected]>
2026-09-15 17:10:54 +05:30

45 lines
989 B
Go

// Copyright IBM Corp. 2024, 2026
// SPDX-License-Identifier: BUSL-1.1
package function
import (
"github.com/zclconf/go-cty/cty"
"github.com/zclconf/go-cty/cty/function"
)
// AnyTrue constructs a function that returns true if a single element of
// the list is true. If the list is empty, return false.
var AnyTrue = function.New(&function.Spec{
Params: []function.Parameter{
{
Name: "list",
Type: cty.List(cty.Bool),
},
},
Type: function.StaticReturnType(cty.Bool),
RefineResult: refineNotNull,
Impl: func(args []cty.Value, retType cty.Type) (ret cty.Value, err error) {
result := cty.False
var hasUnknown bool
for it := args[0].ElementIterator(); it.Next(); {
_, v := it.Element()
if !v.IsKnown() {
hasUnknown = true
continue
}
if v.IsNull() {
continue
}
result = result.Or(v)
if result.True() {
return cty.True, nil
}
}
if hasUnknown {
return cty.UnknownVal(cty.Bool), nil
}
return result, nil
},
})