39 lines
891 B
Go
39 lines
891 B
Go
package strings
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import (
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"strings"
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"github.com/zclconf/go-cty/cty"
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"github.com/zclconf/go-cty/cty/function"
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)
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func Join() function.Function {
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return function.New(&function.Spec{
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Description: "join a list of strings",
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Params: []function.Parameter{
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{
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Name: "separator",
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Description: "separator to be used to join the strings",
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Type: cty.String,
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},
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{
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Name: "list",
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Description: "list of strings to join",
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Type: cty.List(cty.String),
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},
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},
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Type: function.StaticReturnType(cty.String),
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Impl: func(args []cty.Value, retType cty.Type) (cty.Value, error) {
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separator := args[0].AsString()
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rawElems := args[1].AsValueSlice()
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elems := make([]string, len(rawElems))
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for i := range rawElems {
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elems[i] = rawElems[i].AsString()
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}
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return cty.StringVal(strings.Join(elems, separator)), nil
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},
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})
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}
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